😎This is a cool toy, I could keep watching it forever!

💝This newtons cradle balance ball is perfect for your outer space themed office or room decoration, also great for those enthusiastic about science or to demonstrate the laws of physics in science classrooms.

💝The desktop entertainment gadget features a small iron man with balance balls. Creative design that can release you from boring and long-time learning.

💝Amaze your friends and make them scratch their heads with this clever toys. Every one will love it.

Product size:

width * height: 17 * 18 cm (6.7 * 7.1 inch)

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