Marble Genius Marble Run Starter Set STEM Toy for Kids Ages 4 - 12 - 130 Complete Pieces (80 Translucent Marbulous Pieces and 50 Glass Marbles), Construction Building Block Toys, Theme (Jungle)

80 see-through Marble Run pieces allow you to see all the action (NEW for March 2019, this set includes 20 additional pieces and 40 additional marbles) Solid plastic pieces that stick together and are easy for kids to play with 6 solid bases including 1 large base to ensure maximum support Standard Toy Size Marbles (5/8 inch or smaller) work with this set (10 Glass Marbles Included) Compatible with Marbulous Marble Run Toys including our Marble Genius Marble Run Super Set (85 pc.), Extreme Set (125 pc.), Booster Set (20 pc.), & 9 Accessory Sets