Learning Resources - Stem Explorers Marble Runners
All-new kits inspired by our award-winning STEM products! 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!! Includes 13 track pieces, 2 balls, and double-sided challenge cards.