Marble Genius Waterslides & Roller Coasters Marble Run Accessory Set (5 pcs.): Your Ultimate Marble Track Race Set and Maze, Experience Thrilling Adventures & Heart-Pumping Marble Roller Coaster Rides

Marble Genius Waterslides & Roller Coasters - Marble Run Accessory Set (5 pcs.)

5 of our most popular see-through marble run pieces allow you to see all the action. 2 - 360 degree rollercoaster loops that make your existing marble run much more fun. 2 - waterslide pieces that allow the marble to slide down and change direction very quickly. Standard toy size marbles (5/8 inch or smaller) work with this set (no marbles included with this set). Compatible with Marbulous Marble Run Toys including our Marble Genius Marble Run Starter Set (60 pc.), Super Set (85 pc.), Extreme Set (125 pc.), & 8 Accessory Sets.