Hape Quadrilla Castle Escape Marble Run Escape the castle's revolving tower with this exciting Quadrilla set including two transparent staircases. As the marbles make their way down the rail, they trigger three hanging bells. Specifications: Colour: multicolour Gender: junior Material: wood Packaging dimensions: 52.5 x 36 x 8 cm (L x W x D) Age: from 4 years Contents: 1 Wooden marble run (52 pieces) 50 marbles