Monumental Puzzle Game
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!
A high quality multi-player game for economical price!
Twist and turn to create your own unique shapes!