DIY Science Pendulum

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DIY toys, need children to manually brain, to stimulate children's learning fun. Demonstrates the principles of Conservation of Momentum and Energy. Pull back one or more of the ba lance 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. Type: DIY Science Toy Material: Plastic, Wooden Features: Newtons Cradle Design, Experiment Kit, Funny, DIY Length: 16cm/6.30", Width: 12cm/4.72", Height: 12cm/4.72" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Show more