MonuMental Puzzle

Tetrahedral shaped brain teaser starts looking like a pyramid but quickly changes with each turn. Twist to change shape & color, then solve to get all sides the same color. Internal spherical spring construction allows for smooth turning. - Colored plastic sides remove issue with moving stickers. - Challenge yourself, challenge your friends.

- Novice to Pro: Whether you a pro or novice, mental Block is perfect for you
- Great Price: A high quality puzzle game for economical price
- Unlimited Creativity: Twist and turn to create your own unique shapes