Note: Freight is calculated extra, depending on the size of the item. We ship overseas as well. For more information contact us.

A nice funny gift, also known as the perpetual machine: flip the switch and a finger comes out and flips it the other way.

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Dim: 150 x 90 x 70 mm

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Useless Box                                                          $ 58.00

Note: Freight is calculated extra, depending on the size of the item. We ship overseas as well. For more information contact us.

The Newton Cradle demonstrates conservation of momentum and energy using a series of swinging spheres.

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Dim:120 x 120 x 150 mm

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Newton's Cradle                                        $ 49.00