This physics science balls is newton’s cradle balls.It demonstrates the principles of conservation of momentum and energy.It can show the energy properties in physics to children,leading them to think about the unknow magical world.The Z shape design make it more elegant.It’s used to be desk decoration,you can take a mental break from stressful day by watching this soothing and appealing sculpture display.It’s also act as great gift. 7.1″x4.3×7.3″
Qty510, $19.040
Qty1020, $18.940
Qty2010, $18.870
Qty3000, $8.740
Qty6000, $8.300
