Ball Track Construction Set
Innovative minds can create fantastic marble runs with the popular Haba ball track construction set. Learn about gravity & inertia as the young or young at heart align the holes and ramps to make a different maze every time. Set include 42 pieces of European beech wood, 6 glass marbles and a bell that rings when crossing the finish line. Many accessory pieces available enabling add ons as children's minds develop. Age: 3 years and up. Easy to assemble in creative ways. Dimensions: 10.1" x 10.1" x 13.7".