83-263 Pcs Electric Gears 3D Puzzle Model Building Kits Plastic Brick Blocks Educational Toys For Kids Children Xmas Gifts

Is Electric : No Battery Block Size : Micro building block、Big building block（＞1cm） ust because. Prodct Description Name: Electric track building block park Pieces: as shown Material: PP and electronic components Power supply: one car, two building blocks(not included) feature: 1. Exercise hand-eye coordination, cultivate creativity, improve intelligence, and enhance expression ability 2. Interesting and educational 3D puzzles, children can play easily and safely by themselves (if the child is under three years old, it needs to be operated under the supervision of an adult) 3. Help babies get familiar with colors, develop motor skills and imaginative games, cultivate self-confidence, exercise training accuracy, purpose and hand-eye coordination. 4. The material is safe, non-toxic, odorless, formaldehyde-free and BPA-free.