Learning Resources STEM Explorers Marble Runners, LRNLER9307 Air & Odor Control > Air Purifiers Included mat helps size down

Included mat helps size down to an 11" x 14" opening

MPN: 100022461

Both the color and strength of KolorFast tissue will hold firm

MPN: 55001

long lasting powder finish to ensure years of lasting beauty

Learning Resources STEM Explorers Marble Runners, LRNLER9307 Air & Odor Control > Air Purifiers Included mat helps size downDiscover marble mayhem inspired by 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! Self adhesive cling back pieces require no permanent adhesive! Includes 13 track pieces, 2 balls, and double sided challenge cards. Dimensions: 10 x 9 x 4. 5 inches Sold as: 1 Each Supplier pack: 6EA CT Case quantity: 6 each MPN: LER9307