Square Root

Number Puzzle Brain Teaser

The Black Stallion Deluxe 3D Crystal Puzzle from BePuzzled is a sleek, translucent, crystalline puzzle with 44 unique interlocking pieces. This beautiful 3D brain teaser puzzle features a rearing, wild horse and includes wings and a horn to build four ...

The Purple Unicorn Deluxe 3D Crystal Puzzle from BePuzzled is a sleek, translucent, crystalline puzzle with 44 unique interlocking pieces. This beautiful 3D brain teaser puzzle features a majestic single-horned unicorn and includes wings to build four variations. Recommended for ...

Solve the Chess Puzzle's challenge and find the lucky coin sealed inside! Hanayama Chess Piece Puzzles are brain teasers built into high-quality chess puzzle pieces. Each cast metal, chrome-plated chess piece requires a different solution to open it and collect ...

Explore geometrical forms and improve your dexterity with the Equilibrio by FoxMind Games, part of the Brain Builder Series. As you advance through 60 puzzles of increasing complexity, you will build awesome vertical structures that bring geometry and perspective into ...

Have fun playing with geometrical concepts of perspective with Perspecto by FoxMind Games, part of the Brain Builder Series. Players use the enclosed GeoBlocks to construct 3D structures based on 2D images. Easy at first, the puzzles become progressively more ...

Zoologic is a game of deduction and logic, in which the player attempts to fill a puzzle grid with dogs, cats, mice, and their respective favorite foods (bones, fish, and cheese). But keep in mind, no animal can be placed ...

A well-made wooden set of a puzzle which has baffled the best of minds for centuries - Wooden Solitaire from House of Marbles. A perplexing coffee-table game fashioned from beautiful Sheesham wood. Includes: Round Wooden Board 33 Glass Marbles Instructions ...