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Grimm's Wooden Star Puzzle

Wooden Star Puzzle

Grimm's Mini Complementary Color Star - Small Wooden Creative Puzzle in Storage Tray

Tangrams

vintage blocks with box vintage toy wood Germany Speile offered by Elizabeth…

Inner Square illustrates a beautiful geometrical property. Starting with a square whose side length is one, make four similar slices through...

"Inner Square" by Marc Chamberland - also math fonts and congruent triangles this week at math munch!

Archimedes Square Stomachion puzzle – Red Hen Books & Toys Online Store

Red Hen Toys is a Grand Rapids, MI toy store that ships quality educational toys, books and materials to customers worldwide.

Quark Catalyst 3.0

Quark Catalyst 3.0

Ostomachion

Ostomachion

Anchor Stone Blocks

Anchor Stone Blocks are stone Construction set made in Rudolstadt, Germany used as a construction toy, circa

Pythagoras - Puzzle game

Pythagoras - Puzzle game

Pythagoras - game of 170 puzzles

Pythagoras - game of 170 puzzles