Choose Your Size

XL JR

Choose Your Size

XL JR
Availability: In Stock
Usually ships In 1-2 Business Days

Price: $5.99
Quantity:
    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!

    Monumental Puzzle Game / $5.99

    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!

    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!