As with every Hape Quadrilla Marble Run Construction Sets, it combines easily with other Hape Quadrilla products for expansion and unique combinations that will enhance your child's play experience. FEATURES: A CREATIVE TAKE on the marble run, the Quadrilla Vertigo provides a great mix of spins, drops, seesaws, and speed that will have marbles going every which way! Includes straightaway rails, three spiral funnels, and a seesaw for a swift and exciting fun., ENDLESS POSSIBILITIES: The three speedy spiral twists will get your marbles racing at lightning speed! Endless possibilities for re-configuring the layout., STEAM Value: Science, Technology, Engineering, Arts, Math. Praised by the Wall Street Journal as one of the top toys to teach kids' coding and STEAM principles. Vertigo provides a great mix of spins, drops, seesaws, and speed for marbles., DIFFERENT FUNCTIONS: Each of the Seven Different Color Blocks has a different Function - Fun practice for logical and engineering thinking, DOWNLOAD THE HAPE QUADRILLA APP that has tons of step–by–step instructions. Build fantastic tracks that offer new challenges and help grow young imaginations. Share in the joy of custom marble tracks and post yours to other Quadrilla enthusiasts. WHAT'S INCLUDED: 134 pieces. DETAILS: Age: 3 years & up, No assembly required, Wipe clean, 5.43 x 13.39 x 21.37 inches, Plastic, E6009, Imported. Size: One Size. Color: Multi. Gender: unisex. Material: NONE.