Become a Patreon member for the best value and the lowest price!

Included:

• 4 new bridge styles for easily making turns
• Mirrored versions of all bridges for building how you want
• Pass through topper to send marbles through the middle of pillars
• STL, 3MF, and STP files with detailed instructions

All you need is a 3D printer and a 1/2" marble (affiliate) to get started.