The Quadrilla Vertigo Set takes twists and turns to new heights. This super-fast track features twist funnels for a whirlwind ride that will keep your child entertained for hours. It is a fantastic set on its own, but it can also be expanded with any other set from the Quadrilla range. The Vertigo is a dizzying, daring, lightning-fast marble run that includes three twisting funnels, straight, precision-crafted birch rails, a see-saw and accelerators that let kids design whirlwind racetracks that challenge even the most advanced Quadrilla builders. The set includes 75 wooden pieces, 50 marbles and an idea-filled manual, 24 coloured blocks, 20 height adjusters, 6 base rings, 23 connectors 3 twist rails 7 straight rails, 1 see-saw, 50 marbles 1 cloth storage bag, Age 4 A timeless, award-winning educational toy that will provide entertainment for the whole family.