Roskio Small Newton's Cradle Balance Ball Pendulum Balls Swinging Physics Science Desk for Office Physics Teacher Decorations Square Mini Black, Yellow
- Newton cradle ball ,mterial:Plastic, steel,the metal balls feature a reflective mirror finish and the base is made of plastic..
- Newtons cradle pendulum is not only shows the pendulum, but also shows the conservation of momentum and the law of conservation of energy.Newtons ball is a perfect decoration for desks and tables, whether at the office, classroom or at home.
- Newtons cradle blance ball is suitable for children and adults, Contains 5 Pendulum Balls. Around 20-30 Clicks for each Round..
- Package include: 1 set of newton cradle ball..
- Size: 15.8cm x 10.5cm x 14.5cm(L x W x H).