Mechanical Motion Bicycle Building Blocks Set Mountain Bike MOC Bricks Model STEM Toys for Kids & Adults DIY Decor Birthday Gift

Is Electric : No Battery Block Size : Small building block（Compatible with Lego） Gender : Unisex Plastic Block Shape : Self-Locking Bricks Plastic Type : ABS Warning : Cannot eat Material : Plastic Recommend Age : 18,14y,6-12Y

Packing : No original box Pieces : More than 174 pcs Manual : Paper manual

Origin: China The overall design of the product takes into account both fun and practicality, and its core functions revolve around "hands-on exploration" and "cognitive enlightenment" to exercise logical thinking and hand-eye coordination.

The size has been ergonomically considered, making it easy to hold and operate, and the moderate weight will not cause any burden in use.