
Marble Genius Rails Tubes Set
40-Piece Marble Run Set Includes 25 Tubes and 15 Half Tubes
Add-On for Marble Rails Building Sets
Comes with an online app and full-color instructions. Ages 8 and up.

- For STEM fans who love to build: Ensure you never run out of rails and tubes with this 40-piece tube set by Marble Genius
- Marbles not included: This set contains 25 standard-sized plastic tubes and 15 half-sized tubes. Kiddos will love building crazy pieces for the marbles to fly along the rails. Marbles sold separately
- Designed for kids: All Marble Genius sets are challenging enough for adults and yet easy for kids to use. Our kid-friendly connectors fit together snuggly and provide a stable structure
- Free app with purchase: Download the Marble Genius instruction application for step-by-step guidance, fun challenges, and regularly updated content. iOS and Android versions are available
- Endless options: All Marble Genius products are compatible. Our marble run sets, marble maze games, and accessory sets can all be used together

WHAT MAKES US DIFFERENT?

Download our free Marble Genius app for interactive instructions and building challenges

We pack the most action pieces for your dollar into each of our sets + we offer action-filled accessories.

With more than 50 marble runs on the market and 5 patents, we offer the most unique and innovative marble run products to keep expanding the fun.

All Marble Genius Marble Run sets and Marble Maze games are compatible, giving you endless add-on options.