Features:

• Type: Cradle Ball
• Not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy.
• Includes steel balls, plastic frames and base.
• Often used as a toy.
• Shape: Geometric
• Material: Metal, ABS
• Occasions: Office, Home, Table Desk
• Features: Funny, Creative, Room Decor, Desk Ornaments
• Size: 9cm x 7.5cm x 9.5cm/3.54" x 2.95" x 3.74", Ball Diameter: 1cm/0.39" (Approx.) 

Notes:

• Due to the light and screen setting difference, the item's color may be slightly different from the pictures.
• Please allow slight dimension difference due to different manual measurement.

Package:

• 1 * Cradle Ball