Sell Decoration Study Office Stainless Steel Swing Physics Pendulum Ball best price

Features: Material: Use nylon line to hanging the ball. The main part made of stainless steel, it is durable and has long service life Longer Swing Time: Newton balance ball continues to move for 10-20 seconds due to air resistance and friction.  Multi Ways: There are many ways to play, such as lifting a ball on one side, and then letting if it falls down, or two, or lifting a ball on every 2 sides. Educational: The Newton Ball is fun and educational-suitable for children to experience the fun of machinery in the process of playing this interesting gadget. It is also a perfect decoration for desktops and tables, whether in the office or at home Threaded: Fine thread, evenly wound on the rigid bracket, fine and beautiful workmanship, more uniform force. Solid Ball: The ball is a solid steel ball, with better draping feeling and stronger power under stress. Specification Material:Stainless steel Color: Silver Ball diameter: About 2cm/0.79inch Size(L x W x H): About 180 x 120 x 175mm/7 x 4.7 x 6.9inch Package included: 1pc x Pendulum Ball #Pendulum #Ball #Stress #Relief #Stainless #Steel #Home #Ornament #Decoration #Gift #Desk #Study #Fun #Office