Newtons Cradle Balance Balls Large with with Colorful LED Light Fun Science Physics Learning Desk Toys Fun Gadget 5 Pendulum Balls for Office and Home Decor (Black)
(as of Jul 02,2022 15:34:33 UTC – Details)
Product Material: frosted glass + fishing line + plastic base
Not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy
Friction and damping effects are also observed Includes steel balls, plastic frames and base
Size:12*12*9cm. Batteries:4 x AA batteries(Not Included)
Glowing Newton ball swing more dazzling at night, the base has a luminous plate, projected onto the glass beads, glass beads showing colorful, very attractive.