Get started building your own marble runs with this Quadrilla beginner’s set. Drop two marbles into the top and watch as they race down different paths to the bottom. A challenging resource promoting cognitive development in areas such as problem solving, hypothesising and strategising. Includes 9 x Coloured Blocks, 4 x Height Adjusters, 4 x Base Rings, 3 x Accelerators, 2 x Marble Shutters, 2 x Curved Rails (Small), 1 x Twist Rail, 30 x Marbles, 1 x Cotton Storage Bag, 1 x Spinner, 1 x Clamp. Made of wood, plastic and glass. Ages 4yrs+.