Stem Explorers: Marble Runnersby Learning Resources
Discover the marble mayhem of our Toy of the Year Award-winning Tumble Trax with this introductory marble run set.
Using the set’s cling-back pieces, build tracks on walls and windows to solve STEM challenges!
No permanent adhesive required!
- 13x track pieces
- 2x balls
- Double-sided challenge cards
Recommended for ages: 5 - 9 years