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and has real replay value as a display piece once solved
and still spend an hour figuring out exactly how they lock together
The Trimini Frame is a 3D-printed packing puzzle with a gravity-lock rule: pieces must be arranged so they remain locked inside the frame even when the frame is shaken side to side - fitting alone is not enough
Without capturing any white pieces
A brutal minimalist challenge
BRAIN BOOST Bundle Collection - Buy 10 Get 1 FREE! galette and has real replay valueThe Brain Boost Bundle The Brain Boost Bundle is the ultimate 3D printed puzzle gift set 11 handpicked mechanical brain teasers for the price of 10 & Free shipping. Each one is precision printed, cleverly designed, and harder than it looks. What's Inside Key and Keyway Cube assemble a solid 2x2x2 cube 4L Grip assemble the pieces into a solid cube 4L Award winning puzzle. Pack four L shaped pieces into a box. BonBon a satisfying little packing puzzle