[Siyuyan] Gạch Cân Bằng Vật Lý Tự Làm Chống Trọng Lực

*******************Welcome to our Siyuyan************************Package Included:1 Set Anti-Gravity Building Blocks Product material: plastic Ability development: hands-on brain Feature: Made of high quality plasitc. A small tension integrity sculpture, the center of gravity of the upper part of the model makes all chains in tension, thus forming a stable system that seems to overcome gravity. Ideal gift for you and your kids. It can also be a decoration for home and office. Note: Due to the different monitor and light effect,the actual color maybe a slight different from the picture color.