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Safety 1st store - go, sport
$51.98
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Diono connect3 backless - connect3,
$39.99
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Diono solana lite - solana,
$39.99
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Kids embrace incredible 1 - incredible, 2-in-1
$409.99
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Safety 1st grand - 1st,
$79.99
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Kid connection power boosters - kid,
$10.00
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Bubble bum booster black car - bum,
$25.00
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Backless booster car seat - car,
$85.49
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Cosco kids pronto trend - cosco, kids™
$54.87
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Graco turbobooster backless - lx,
$14.00
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Japara pocket size car - size,
$12.00
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Car seat footrest for kids - seat,
$14.24
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Car seat protector for - car,
$13.61
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Kids embrace incredible 1 - incredible, 2-in-1
$345.05
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Diono cambria booster - diono,
$119.99
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Trunki boostapak booster car - trunki,
$49.95
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Turbobooster backless - 2.0,
$67.48
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Kids booster seat cars - kids, and
$25.00
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Bubblebum inflatable booster - bubblebum,
$24.99
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New child waterproof car - waterproof, /
$15.50
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Kids spider man backless - kids,
$79.99
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Cosco kids finale - finale, dx
$87.99
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Tomy disney pixar cars - disney,
$53.99
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Car seat protector for child - seat,
$16.43
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Maxi cosi tanza high back - tanza, high-back
$229.99
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Turbobooster backless - turbobooster, 2.0
$61.62
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Kids booster seat cars and - booster,
$15.00
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Blue toddler high - high, booster
$65.83
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Kids embrace incredible 1 - kids,
$388.90
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Hifold adjustable kids high - hifold,
$123.49
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Car seat forward facing - car,
$224.99
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Grow and sprint - and, all-in-one
$128.00
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Toy car track - track, deluxe
$38.72
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Maxi cosi rodifix booster - maxi-cosi,
$199.99
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Car seat protector for kids - car,
$13.95
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Funbliss car seat - funbliss, protector
$15.99
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Mifold grab and - grab-and-go, compact
$44.99
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Convertible booster car - convertible, seat
$17.98
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Cosco kids finale 1 - finale, 2-in-1
$40.15
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Inflatable car seat foot - car,
$45.36
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Chicco kidfit myfit gofit car - kidfit,
$9.99
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Kids pack topside - kids,
$53.19
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Car seat protector for - car, child
$13.66
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Mifold grab go - &, booster
$57.39
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Kids embrace incredible 1 - kids,
$398.82
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Car seat protector for - car,
$21.99
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2pcs tpe car - tpe, protector
$91.14
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Kid connection fantasy - connection,
$6.99
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Smart kid belt safest - smart,
$24.97
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Kids embrace iron man 1 - iron, 2-in-1
$219.99
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Kids avenger backless booster - avenger,
$79.99
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Cosco kids highback booster - kids,
$21.00
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Graco hot wheels - graco, turbobooster
$89.99
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Pcs car seat protector for - seat,
$26.77
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Track creator boosted jump - boosted,
$47.94
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Toy car track - car, set,
$45.69
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Britax one4life slim - one4life,
$329.99
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Bubblebum inflatable booster - bubblebum,
$59.49
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Universal child car - child, chest
$24.99
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Turbobooster backless - turbobooster, 2.0
$67.48
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Britax one4life slim - britax,
$329.00
Buy It Now
Evenflo car seat booster - evenflo,
$17.50
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Large dog car seat - large,
$89.99
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Graco turbobooster backless - turbobooster,
$18.50
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Vintage cosco booster seat - vintage,
$39.95
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Cosco pronto trend - cosco,
$39.00
Buy It Now
Graco in - graco, 2.0?)
$17.98
Buy It Now
Car seat protector for - seat,
$16.95
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Britax grow with - britax, you
$349.99
Buy It Now
Mifold grab go portable - &,
$30.00
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Dog cat pet car booster - pet,
$14.99
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Booster seat protector padded - seat,
$17.57
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Diono solana backless - diono,
$55.99
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Mifold grab go portable - mifold,
$25.00
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Cosco top side blue - top,
$35.99
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Car seat protector - car,
$26.14
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Track creator boosted - creator,
$43.09
Buy It Now
Toy car track - car, deluxe
$44.36
Buy It Now
Cosco kids finale 1 - cosco,
$64.95
Buy It Now
Kids embrace black panther - embrace,
$219.99
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Kid connection sprint - sprint, booster
$39.99
Buy It Now
Toy car track set stunt - car,
$62.11
Buy It Now
Mifold grab go car - go,
$57.39
Buy It Now
Toy car track set deluxe - car,
$45.54
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Pac back hands free way - hands, to
$14.99
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Belt for car - belt,
$10.00
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Hot wheels corkscrew crash - hot,
$151.32
Buy It Now
Britax one4life slim - britax,
$429.99
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Car seat protector 2 - protector,
$38.90
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Dog car booster - dog,
$52.88
Buy It Now
Graco turbobooster 0 - turbobooster, 2.0
$30.00
Buy It Now
Cosco kids finale 1 - kids, 2-in-1
$49.50
Buy It Now
Cosco kids finale - finale, 2-in-1
$64.95
Buy It Now
Teleport backless booster car - teleport,
$111.71
Buy It Now
Harness booster car - harness,
$199.57
Buy It Now
Looking for more kid s car boosters?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 95 kid s car boosters listings currently in our index. Prices range from $6.99 to $429.99, with an average of $83.58. 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 kid s car boosters →
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Whether you are looking for a brand-new or second-hand kid s car boosters, eBay offers one of the largest selections available online. With 95 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 $6.99, while premium listings can reach $429.99 — giving you a wide budget spread to work with. The average price of $83.58 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.