Australian Geographic

Australian Geographic Newton's Cradle - Black Base

Australian Geographic Newton's Cradle - Black Base - Main image
$17.99 $24.99 In stock

Category: LIC- Home

The Australian Geographic Newtons Cradle is a classic desk toy and a fascinating demonstration of the laws of motion and momentum. Lift one of the stainless steel balls, let it swing, and watch as the energy transfers through the row in a satisfying, repeating motion that seems to defy common sense. It's a timeless piece that sits equally well on a desk, bookshelf, or coffee table.

How It Works: When one or more spheres are lifted and released, the momentum and energy transfer between the spheres, causing them to swing back and forth. This process demonstrates the principle of conservation of momentum—the total momentum remains constant as long as no external forces are involved. The result is a mesmerising, continuous motion that never fails to intrigue.

Ready to check out

Review the selected option and total at checkout.

Delivery to you

Allow time for the store to prepare your order before transit begins.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
Talking through a refund

Send the store your order number and the reason for your request.

Please contact us for the refund processing timeframe before returning an item.

View policy
Your shipping options

Choose from the delivery options available for your address.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Before you return a product

Check the conditions for your product before sending it back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (4.8 / 5 · 4 reviews)

Lucy L. ★★★★★

The clack of the balls against each other is crisp and clean, which makes it oddly hypnotic to watch while I'm on calls. It’s a solid, weighty piece that sits perfectly on my desk and genuinely demonstrates momentum just as described.

Jason R. ★★★★★

The stainless steel balls have a satisfying weight to them, and the black base looks really sleek on my desk. Watching the momentum transfer never gets old, and it's held up well after a month of daily fidgeting.

Madison ★★★★★

I've had this on my desk for a week and it's surprisingly calming to watch the momentum transfer between the polished steel balls. The base feels solid and heavy enough that it doesn't slide around when I nudge it.