Newton Pendulum Newtons Cradle Balance Balls,Relieve Stress Desk Educational Decoration

Description

Newtons Cradle Balance Balls,Relieve Stress Desk Educational Decoration Newton Pendulum Note:The ball swings about 50 times (about 15-20 seconds) with every hit due to frictional resistance,air resistance and other factors Features: Size:15.5cm*8cm*11.5cm Weight:about 500g. Material:Metal base, Metal holder, High qualiy of decoration items. *Using hands or other external force to make it swing. *decorate living room, office, meeting room and more. *Creative wiggler decoration on your desk to give you relax feelings. *Also a perfect gift choice for friends, children or families and lover. Package Included: 1 x Newtons Cradle Balance Balls