The Ultimate is the largest and most extensive Quadrilla marble run set by Hape.

The set includes 2 spiraling funnels, 12 curved rails, and 10 power-boosting accelerators.

198 pieces total.

This set is sure to inspire builders to design the ultimate marble run.

Marble runs help to build spatial awareness, fine motor skills, hand-eye coordination, encourage creativity and building skills, improve problem solving skills, concentration, patience and perseverance.

Recommended Age: 4 years