For Sale USA

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
150pcs magnetic building - 150pcs,

150pcs magnetic building - 150pcs,

$15.99
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Contixo st5 stem building - contixo,

Contixo st5 stem building - contixo,

$29.99
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300 pcs magnetic blocks with - 300,

300 pcs magnetic blocks with - 300,

$53.99
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Stem toys for - for, 4–8

Stem toys for - for, 4–8

$50.58
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Blowout price magnetic tiles - blowout,

Blowout price magnetic tiles - blowout,

$19.99
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200pcs stem building blocks - stem,

200pcs stem building blocks - stem,

$6.98
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Magnetic blocks set stem - magnetic,

Magnetic blocks set stem - magnetic,

$12.97
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Magnetic blocks set - blocks,

Magnetic blocks set - blocks,

$15.96
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Magnetic building tiles - tiles, 101

Magnetic building tiles - tiles, 101

$19.99
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Minecraft magnetic blocks - minecraft,

Minecraft magnetic blocks - minecraft,

$16.99
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Stem kits for kids robotics - stem,

Stem kits for kids robotics - stem,

$31.03
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168 pcs marble - 168,

168 pcs marble - 168,

$12.59
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164 pcs building - building, toys

164 pcs building - building, toys

$27.26
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Keva structures 200 - keva,

Keva structures 200 - keva,

$44.99
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Contixo st7 stem building - contixo,

Contixo st7 stem building - contixo,

$70.92
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Littlebits premium kit - premium, 14

Littlebits premium kit - premium, 14

$34.95
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Stem building blocks classic - stem,

Stem building blocks classic - stem,

$21.99
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Pcs top stem soft - top,

Pcs top stem soft - top,

$40.46
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Magnetic cube blocks for - cube,

Magnetic cube blocks for - cube,

$14.99
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Kids toys stem - kids,

Kids toys stem - kids,

$47.99
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Clixo creator pack - creator, 40pc

Clixo creator pack - creator, 40pc

$34.99
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Klikko educational stem - klikko,

Klikko educational stem - klikko,

$48.00
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Dinosaur race track magnetic - track,

Dinosaur race track magnetic - track,

$25.96
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Clixo magnetic building - clixo,

Clixo magnetic building - clixo,

$49.99
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Woodsynest magnetic building - magnetic,

Woodsynest magnetic building - magnetic,

$17.99
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Stem building blocks - building,

Stem building blocks - building,

$21.00
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100pcs magnetic - 100pcs,

100pcs magnetic - 100pcs,

$20.51
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Stem space building - space,

Stem space building - space,

$10.80
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107pcs motorized erector sets - erector,

107pcs motorized erector sets - erector,

$75.88
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Mechanical fish building sets - mechanical,

Mechanical fish building sets - mechanical,

$60.93
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Steam rc programming - 5-in-1,

Steam rc programming - 5-in-1,

$49.99
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195 pcs stem - 195, building

195 pcs stem - 195, building

$38.99
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Smartmax magnetic discovery - smartmax,

Smartmax magnetic discovery - smartmax,

$30.00
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190 magnetic building - magnetic,

190 magnetic building - magnetic,

$29.99
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Stem building toys kit - stem,

Stem building toys kit - stem,

$50.06
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Wooden blocks toy set 100 - wooden,

Wooden blocks toy set 100 - wooden,

$23.99
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Magnetic tiles building - tiles, set

Magnetic tiles building - tiles, set

$20.69
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Battat bristle blocks - bristle,

Battat bristle blocks - bristle,

$26.05
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Stem building blocks - blocks, 125

Stem building blocks - blocks, 125

$49.99
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220 pcs magnetic - pcs, 3d

220 pcs magnetic - pcs, 3d

$74.99
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Nex 100 unique models - k’nex,

Nex 100 unique models - k’nex,

$39.95
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168 pcs marble run - marble,

168 pcs marble run - marble,

$10.49
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Stem inventors box engineering - inventors,

Stem inventors box engineering - inventors,

$29.99
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Picasso tiles for building - for, set

Picasso tiles for building - for, set

$21.50
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Lot 100 pieces picasso - 100+,

Lot 100 pieces picasso - 100+,

$42.00
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Mechanical fish building - mechanical, sets

Mechanical fish building - mechanical, sets

$66.01
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Smartmax stem magnetic - smartmax,

Smartmax stem magnetic - smartmax,

$16.00
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168 pcs marble - marble, building

168 pcs marble - marble, building

$10.99
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New module world magnetic - new,

New module world magnetic - new,

$10.95
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Magnetic building blocks - magnetic,

Magnetic building blocks - magnetic,

$12.10
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150pcs magnetic building - magnetic,

150pcs magnetic building - magnetic,

$15.99
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Minecraft magnetic blocks - magnetic,

Minecraft magnetic blocks - magnetic,

$24.99
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Stem building toys - building, pcs

Stem building toys - building, pcs

$29.95
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Transform building - 2-in-1,

Transform building - 2-in-1,

$50.24
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Stem building block - stem, 10-in-1

Stem building block - stem, 10-in-1

$48.99
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Mechanical fish building sets - fish,

Mechanical fish building sets - fish,

$73.61
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Click construct value - click,

Click construct value - click,

$43.57
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Smartivity mechanical hand - smartivity,

Smartivity mechanical hand - smartivity,

$22.49
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Magnetic building blocks - blocks, 45

Magnetic building blocks - blocks, 45

$11.36
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Desire deluxe intelligent - deluxe,

Desire deluxe intelligent - deluxe,

$24.00
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Robot arm building - 3, in

Robot arm building - 3, in

$81.99
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195 stem building block set - stem,

195 stem building block set - stem,

$39.25
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Picassotiles 320 piece car - picassotiles,

Picassotiles 320 piece car - picassotiles,

$23.00
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Zoob builderz stem - zoob, building

Zoob builderz stem - zoob, building

$21.99
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Stem building toys for boys - building,

Stem building toys for boys - building,

$29.95
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195 pcs stem building - pcs,

195 pcs stem building - pcs,

$49.99
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Magnetic building blocks for - blocks,

Magnetic building blocks for - blocks,

$18.99
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Vintage wooden marble - 21,

Vintage wooden marble - 21,

$22.00
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168 pcs marble - pcs, run

168 pcs marble - pcs, run

$10.99
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Builder stem educational - builder,

Builder stem educational - builder,

$12.00
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Goldieblox parade float stem - goldieblox,

Goldieblox parade float stem - goldieblox,

$15.00
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100pcs classic wooden building - classic,

100pcs classic wooden building - classic,

$27.29
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Minecraft magnetic blocks - minecraft,

Minecraft magnetic blocks - minecraft,

$19.99
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Magnetic tiles large - tiles, square

Magnetic tiles large - tiles, square

$11.58
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Cube tech stem sets beach - cube,

Cube tech stem sets beach - cube,

$17.48
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Mindware learn through play - through,

Mindware learn through play - through,

$16.00
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168 pcs marble - pcs, run

168 pcs marble - pcs, run

$10.50
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Building blocks for toddlers - building,

Building blocks for toddlers - building,

$39.17
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Marble run set 145 pcs - marble,

Marble run set 145 pcs - marble,

$28.99
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Mechanical fish building sets - fish,

Mechanical fish building sets - fish,

$55.19
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Piece building blocks set - 30-piece,

Piece building blocks set - 30-piece,

$35.42
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Robot toys building - building, sets

Robot toys building - building, sets

$92.02
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Huge geomag set - set, lot

Huge geomag set - set, lot

$119.99
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Knowledge factory magne - knowledge, builds

Knowledge factory magne - knowledge, builds

$35.00
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Creative flower garden - flower,

Creative flower garden - flower,

$25.00
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112 pcs motorized erector sets - 112,

112 pcs motorized erector sets - 112,

$46.99
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Kadele cute dog building - cute,

Kadele cute dog building - cute,

$24.00
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Stem building toys for kids - stem,

Stem building toys for kids - stem,

$47.01
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Mechanical fire dragon - mechanical,

Mechanical fire dragon - mechanical,

$47.98
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76pcs light magnetic tiles - light-up,

76pcs light magnetic tiles - light-up,

$29.95
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Tasalia 100 pcs - pcs, magnetic

Tasalia 100 pcs - pcs, magnetic

$15.48
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Slubankids space base - slubankids, building

Slubankids space base - slubankids, building

$44.99
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100pcs magnetic building - magnetic,

100pcs magnetic building - magnetic,

$21.84
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Safe fun piece - &,

Safe fun piece - &,

$39.89
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Magnetic tiles marble run - marble, 110

Magnetic tiles marble run - marble, 110

$61.98
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Brickyard building blocks stem - building,

Brickyard building blocks stem - building,

$18.99
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📊96 listings · from $6.98 · avg $33.48

Browse 96 stem building sets listings currently in our index. Prices range from $6.98 to $119.99, with an average of $33.48. 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 | bin blocks | lego mini figure maker | mega children s blocks | box 4 blox legos | kids parking toy car garage | erector set dual motor | marble blocks 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 $119.99 — giving you a wide budget spread to work with. The average price of $33.48 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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