Hape Quadrilla Wooden Marble Run Construction - Typhoon - Quality Time Playing Together Wooden Safe Play - Smart Play for Smart Families Endless possibilities for 3-D thinking and engineering development Includes straightaway rails, funnels, marbles, accelorators, plugs, a carrying bag and more for a grand total of 142 pieces The Whirl and Twirl Set encourages kids to develop creative and STEM abilities Recommended for ages 3 years and up. Non-toxic finishes and child safe materials.