This newton’s balance balls not only demonstrates a pendulum,but also shows the laws of conservation of momentum and energy.You can place this on your desk at work,and take a mental break from a stressful day by watching this soothing and appealing sculpture display.The placement of this piece will create a serene atmosphere.It’s ideal for home or office desk decoration,and also great as gift for friend. 3.54″x2.95×3.54″
Qty576, $4.150
Qty1008, $4.000
Qty3024, $3.810
Qty5040, $2.260
Qty10080, $1.990
