[Gravity At Work]See before your eyes as the Cradle transfer fall and transfer weight across the gadget. Drop one ball or two balls. You can see the energy transfer in such an astounding way
[Office Desk Decor] Balls Show some character and express your love for science and physics with this decorating your office space. Can be meditative and fun to watch also
[Educational & Classy]Balance Swinging Experience the visual display of momentum. Use this and share with your friends and family the exciting world of physics and science
[Quality Materials]'s Cradle is made High-grade mirror stainless steel, hand-polished, soft and bright color, comfortable touch, firm structure, durable and rust-free.

size:180 x 110 x 185mm
Material:metal
colour:Silver

Package Contents:
1 x Cradle