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Quantity
1
The marble is trapped, yet it spins freely. The solution is difficult, yet immensely satisfying. To release the sphere from its rectangular frame, you’ll have to think outside the box.
Designed by Oskar Van Deventer and Bram Cohen for Hanay...
Reviews
5.0
5 ratings
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My new favorite toy!
We love the heft of it and, just as far as touch goes, we were obsessed with it immediately! Cannot wait to try to solve it...
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Indiana · August 9, 2025
Purchased as a stocking stuffer. Unopened as yet.
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Delie · August 25, 2024
This one feels great in the hands, highly polished, smooth mechanics and a very satisfying disassembly & reassembly.
