Classic Desktop Accessory

• Excellent educational science gadget. These Newtons Cradle are environmentally friendly, and are designed to last for a long time
• 5Pcs frosted glass balls that add cool luminescent light to a desktop. Swing one, two or three end balls and the changing colors will keep you entranced for hours with multiple color changing modes from blinking to cascading
• Usage: collection, business gift, birthday gift, home ornaments, office desk decoration, teaching tool and for decompression
• Requires 4 pieces 1.5V AA batteries(not included)
• Material: glass and plastic

1 Set Light up Newtons Cradle Balance Balls Toy