Banish boring building blocks and explore bold design with BOLTZ! Build animals, space rovers, skyscrapers and satellites - whatever kids want to bolt together! These interlocking gear toys are BPA-free and come in blue, red, yellow and green colors. The included Inspiration Guide helps to get kids
STEM Master - Educational Building Blocks Kit, 176 Pieces, Ages 4-8 : Toys & Games
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Good condition. Bought it from US. Original price is USD 39.9. No box. Free CycleGears set (last picture) with the purchase.
USA Toyz boltz STEM building toy- 163 pieces.
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Brickyard Building Blocks Stem Toys - Educational Building Blocks For Kids - 163 Pieces : Target
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163pk Boltz Educational Building STEM Toy Set [toys-013] - $34.99 : FannyKids