Giới thiệu Con Lắc Cân Bằng Newtons Khoa Học Cho Bé
Specifications: DIY toys, need children to manually brain, to stimulate childrens learning fun. Demonstrates the principles of Conservation of Momentum and Energy. Pull back one or more of the balance balls, release them and the same number of balls will swing up on the opposite side. For children kids hand eye cooperation, intelligence development, hands and brain ability.
Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.