Readable 3D hardware
Distinct colors, polished nuts, and clear bolt spacing keep every legal move easy to inspect.
A tactile 3D puzzle for iPhone
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workshop.
Move colorful nuts between bolts, build clean stacks, and solve handcrafted challenges with crisp motion, satisfying metal feedback, and optional recovery tools.
Designed for quick, satisfying play
Small moves. Clean stacks.
Purposeful assistance
Undo, hints, extra bolts, and optional rewarded videos help without replacing the puzzle.
Respectful controls
Sound and haptic settings, advertising privacy choices when required, and accessible legal information stay within reach.
Official resources