Quadrilla marble runs are stable, easy to construct, and infused with the potential for thrilling speed. The meticulously crafted wooden runs notch together with ease. Tracks sit level and speed results from the use of different connecting blocks, accelerators & action pieces. All components simply combine for fast-moving effects.
Included is a Design Guide that makes it easy for kids to independently construct many fast-moving marble runs.
Inspiring observation, challenging the imagination, prompting real deductive reasoning, logical thinking, and problem solving.
Made of high quality wood in brilliant colors.