Channel: OskarPuzzle

Category: Science & Technology

Tags: how togurueducation3d-printrubik's cubemechanicalscrambleoscarpuzzleproblemguinness world recordenglishcrazy crescentscube3d printlgtbgearsusmath toyinventdifficultsatifyingengineeringcreativethinkfunrainbowslideoskar van deventersolveoddlymathentertainflagcoloradultsturnsmarttwisty puzzlepuzzles for kidsoskarpuzzlemeffertshardgaytoyinnovationthinkartmoon shapenylonprint-it-yourself2021intelligenthanayama17x17puzzlefun

Description: More OskarPuzzle at youtube.com/OskarPuzzle?sub_confirmation=1. Print it yourself at oskarvandeventer.nl/Print-It-Yourself. Buy at i.materialise.com/en/shop/item/crazy-crescents-too or at shapeways.com/product/47US6ULN5/crazy-crescents-too. Crazy Crescents is an alternative version of the Crazy Crescents mathematical art toy. Five colorful crescent-shaped pieces are nested together inside a red ring, and inside each other. By turning the crescents, one can make various nice shapes. The object is also an (easy) puzzle. When the crescents are positioned correctly, one can slide crescents of and down, making various shapes. One version is rainbow colored, another version is black-and-white. Copyright (c) 2021, M. Oskar van Deventer. Frequently Asked Question: oskarvandeventer.nl/FAQ.html Buy mass-produced Oskar puzzles at puzzlemaster.ca/browse/inventors/oskar (USA, CA) and sloyd.fi/oskar-deventer-c-151_154.html (EU) Buy exclusive 3D-printed Oskar puzzles at shapeways.com/shops/oskarpuzzles and i.materialise.com/shop/designer/oskarpuzzle