Xcellerator combines speed and spin. A spiraling funnel, a mix of straight and curved rails and 10 accelerators challenge Quadrilla builders in new directions and dimensions. Spirals, curves, straightaways, accelerators and a seesaw combine to make Quadrilla's Xcellerator the pinnacle of speedy marble run construction sets. Quadrilla's Xcellerator will make any mopey marble put the pedal to the medal with it's velocity-increasing design.

Suitable for age 4+