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.
Type: Cradle Ball
Material: Metal, ABS
Occassions: Office, Home, Table Desk
Features: Funny, Creative, Room Decor, Desk Ornaments
[Our Size Small] 9cm x 7.5cm x 9.5cm/3.54″ x 2.95″ x 3.74, Ball Diameter: 1cm/0.39″ (Approx.)
[Our Size Medium] 13.5cm x 11.5cm x 14cm/5.31″ x 4.53″ x 5.51″, Ball Diameter: 1.5cm/0.59″ (Approx.)
[Our Size Large] 18cm x 15cm x 18cm/7.09″ x 5.91″ x 7.09″, Ball Diameter: 2cm/0.79″ (Approx.)
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.
1 x Cradle Ball Desk Toy
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|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|