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Stem building sets

4

Stem building sets for sale on largest auction and classifieds sites

Home / Building Toys / Stem building sets refurbished & used for sale | For Sale USA
200pcs stem building blocks - 200pcs,

200pcs stem building blocks - 200pcs,

$6.98
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107pcs motorized erector - 107pcs,

107pcs motorized erector - 107pcs,

$73.88
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Contixo st5 stem - contixo, building

Contixo st5 stem - contixo, building

$29.99
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107pcs motorized erector - motorized, sets

107pcs motorized erector - motorized, sets

$58.00
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112 pcs motorized erector sets - 112,

112 pcs motorized erector sets - 112,

$45.99
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Builder stem educational - iq,

Builder stem educational - iq,

$21.22
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150pcs magnetic building - 150pcs,

150pcs magnetic building - 150pcs,

$20.99
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Stem robot building kit - building,

Stem robot building kit - building,

$59.99
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Stem building block - stem,

Stem building block - stem,

$48.99
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168 pcs marble - marble, run

168 pcs marble - marble, run

$12.59
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Stem construction kit - stem,

Stem construction kit - stem,

$29.95
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Magna tiles set 91pcs - safe, abs

Magna tiles set 91pcs - safe, abs

$23.99
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Stem craft robot - kits, kids

Stem craft robot - kits, kids

$25.22
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Tytan magnetic tiles - tytan, 220

Tytan magnetic tiles - tytan, 220

$38.95
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Stem toys for 6 - stem,

Stem toys for 6 - stem,

$62.99
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Spacerail marble roller - marble,

Spacerail marble roller - marble,

$58.99
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168 pcs marble run - marble,

168 pcs marble run - marble,

$10.15
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Wooden blocks toy - set, 100

Wooden blocks toy - set, 100

$23.99
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Stem building toys - stem,

Stem building toys - stem,

$29.95
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Stem building blocks - stem,

Stem building blocks - stem,

$19.99
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300 pcs building - building, stem

300 pcs building - building, stem

$20.43
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107pcs motorized erector sets - erector,

107pcs motorized erector sets - erector,

$73.88
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Stem building toys 180 - building,

Stem building toys 180 - building,

$29.95
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Zummy stem educational space - ,

Zummy stem educational space - ,

$18.99
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Stem building toys for boys - building,

Stem building toys for boys - building,

$29.95
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2pcs magnetic car - set,

2pcs magnetic car - set,

$13.85
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107pcs motorized erector - motorized,

107pcs motorized erector - motorized,

$57.76
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Dinosaur race track magnetic - track,

Dinosaur race track magnetic - track,

$25.95
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Keva design woods stem - design, wooden

Keva design woods stem - design, wooden

$27.99
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Spacerail marble roller - spacerail,

Spacerail marble roller - spacerail,

$29.99
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107pcs motorized erector sets - 107pcs,

107pcs motorized erector sets - 107pcs,

$59.99
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Pcs power functions motor - 36,

Pcs power functions motor - 36,

$20.27
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Fun and educational stem - educational,

Fun and educational stem - educational,

$12.00
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Magnetic blocks set stem - magnetic,

Magnetic blocks set stem - magnetic,

$12.97
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107pcs motorized erector sets - erector,

107pcs motorized erector sets - erector,

$58.04
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107pcs motorized erector - motorized,

107pcs motorized erector - motorized,

$58.32
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100pcs educational building - 100pcs,

100pcs educational building - 100pcs,

$19.50
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200 magnetic building - pc,

200 magnetic building - pc,

$23.99
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Stem toys for kids 8 - stem,

Stem toys for kids 8 - stem,

$51.58
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Magna tiles set 107pcs safe - 107pcs,

Magna tiles set 107pcs safe - 107pcs,

$26.99
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Nex 100 unique - 100, models

Nex 100 unique - 100, models

$39.95
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Smartivity mechanical hand - smartivity,

Smartivity mechanical hand - smartivity,

$22.49
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Magnetic building blocks - building,

Magnetic building blocks - building,

$23.90
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Kids 600pcs set building - ,

Kids 600pcs set building - ,

$29.99
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107pcs motorized erector sets - 107pcs,

107pcs motorized erector sets - 107pcs,

$59.55
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107pcs motorized erector sets - motorized,

107pcs motorized erector sets - motorized,

$58.12
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Neoact 600 pcs - building, blocks

Neoact 600 pcs - building, blocks

$30.48
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Marble run set 145 pcs - run,

Marble run set 145 pcs - run,

$28.99
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Magnetic train set - set, kids

Magnetic train set - set, kids

$28.32
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Stem inventors box engineering - box,

Stem inventors box engineering - box,

$29.99
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195 stem building block - pc,

195 stem building block - pc,

$34.58
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195 pcs stem - toys,, building

195 pcs stem - toys,, building

$35.90
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Wooden building blocks set - wooden,

Wooden building blocks set - wooden,

$47.90
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Interstar preschool building - interstar,

Interstar preschool building - interstar,

$12.00
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Construction building cubes - construction,

Construction building cubes - construction,

$18.99
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Stem building block - in, 1

Stem building block - in, 1

$40.88
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Magnetic blocks set - magnetic,

Magnetic blocks set - magnetic,

$15.96
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195 pcs stem building - pcs, sets

195 pcs stem building - pcs, sets

$49.99
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49pc magnetic cube building - magnetic,

49pc magnetic cube building - magnetic,

$19.99
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Jasonwell magnetic tiles kids - magnetic,

Jasonwell magnetic tiles kids - magnetic,

$33.75
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107pcs motorized erector - erector, sets

107pcs motorized erector - erector, sets

$60.37
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Large building blocks set - building,

Large building blocks set - building,

$28.34
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Over 200 pieces learning - 200,

Over 200 pieces learning - 200,

$12.99
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200 piece magnetic building - piece,

200 piece magnetic building - piece,

$25.71
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Magnetic tiles construction - tiles,,

Magnetic tiles construction - tiles,,

$23.88
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Minecraft style magnetic - 88,

Minecraft style magnetic - 88,

$13.25
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Dinosaur world building - dinosaur,

Dinosaur world building - dinosaur,

$19.95
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112 pcs motorized erector sets - 112,

112 pcs motorized erector sets - 112,

$46.99
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Spaghetteez veloci wrap tor - spaghetteez, veloci-wrap-tor

Spaghetteez veloci wrap tor - spaghetteez, veloci-wrap-tor

$11.99
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Imaginets imaginative play - imaginets,

Imaginets imaginative play - imaginets,

$12.95
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168 pcs marble run building - pcs,

168 pcs marble run building - pcs,

$11.24
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Magnetic blocks 100pcs - magnetic,

Magnetic blocks 100pcs - magnetic,

$14.08
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Dimple electronic building - dimple,

Dimple electronic building - dimple,

$40.49
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20pcs magnetic building blocks - magnetic,

20pcs magnetic building blocks - magnetic,

$19.44
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Magnetic building block - building,

Magnetic building block - building,

$9.99
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Marble run dinosaur starter - run,

Marble run dinosaur starter - run,

$46.98
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Magnetic building blocks 200 - magnetic,

Magnetic building blocks 200 - magnetic,

$45.99
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Stem projects for - projects, ages

Stem projects for - projects, ages

$33.80
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Magnetic building tiles for - magnetic,

Magnetic building tiles for - magnetic,

$40.49
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Geomag magicube piece - geomag,

Geomag magicube piece - geomag,

$22.99
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Zome system mind matter - mind, &

Zome system mind matter - mind, &

$60.00
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Stem excavator robot - 2-in-1,

Stem excavator robot - 2-in-1,

$34.47
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Stem magnetic building tiles - stem,

Stem magnetic building tiles - stem,

$25.99
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152 piece mobius stem - mobius,

152 piece mobius stem - mobius,

$53.89
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Magnetic building blocks set - blocks,

Magnetic building blocks set - blocks,

$56.99
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Stem building blocks - stem,

Stem building blocks - stem,

$29.95
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Klikko educational stem - educational,

Klikko educational stem - educational,

$48.00
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Brickyard building blocks stem - brickyard,

Brickyard building blocks stem - brickyard,

$18.99
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167 pcs motorized erector - motorized,

167 pcs motorized erector - motorized,

$46.99
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Triceratops dinosaur building - dinosaur,

Triceratops dinosaur building - dinosaur,

$14.99
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Insoon tree house stem - tree,

Insoon tree house stem - tree,

$29.99
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168 pcs marble run building - pcs,

168 pcs marble run building - pcs,

$11.10
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Spacerail marble roller - marble,

Spacerail marble roller - marble,

$28.99
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Stem building toys kit - 10,

Stem building toys kit - 10,

$52.99
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Magnetic building blocks mine - building,

Magnetic building blocks mine - building,

$25.00
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Magna tiles set 107pcs - set, safe

Magna tiles set 107pcs - set, safe

$27.90
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📊96 listings · from $6.98 · avg $32.76
⚠️ These listings were last updated more than 10 days ago. Search for fresh listings

Browse 96 stem building sets listings currently in our index. Prices range from $6.98 to $73.88, with an average of $32.76. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about stem building sets →

Try this: vintage erector set 81 2 | kids block | 300 mega bloks | dog sitter | lego mini figure maker | mega ball | mega children s blocks | vintage building toys | lincoln logs general | large foam block set

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Everything you need to know about stem building sets

Whether you are looking for a brand-new or second-hand stem building sets, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $6.98, while premium listings can reach $73.88 — giving you a wide budget spread to work with. The average price of $32.76 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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