Convex Concave (IPP23) by Scott Kim / Amina Allen & Colorfields
This is magnetic overlapping flat assembly puzzle that just may blow your mind! Inspired by the famous M.C. Escher, the puzzles provides a high quality coated metal magnetic plate on which to place colorful 3D polyominoes to create impossible puzzle shapes! Comes with detailed instructions and various suggested challenges, but it's even more fun to freeform on this as a personal puzzling palette!
22 years old, this puzzle is from IPP 23 held in Chicago, USA in 2003.
Puzzles are made to live in people's hands. Pick one up today! See all active listings here: metagrobology : the study of puzzles
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