Super Mario Mystery Block - Alternatively Question Mark Block, Question Block, Mystery Block, Prize Block, or simply is one of the many blocks found in the Mario universe, and one of the most common. ? Blocks are usually seen floating in midair, often containing coins, Super Mushrooms, or Fire Flowers. They may also be invisible.

This is a great little item to use on your 3Dprinter, be it for a test-print or for something more decorative!