Fat Brain Trestle Tracks Builder Set (43)

Get ready for a mesmerizing marble adventure with Trestle Tracks! Each set features hollow stacking cubes and perfectly flat tracks with paths that widen just enough to create an invisible slope, sending marbles gliding forward like slow-motion magic. Start with the 43-piece Starter set, complete with three guided builds, then level up to the 73-piece Builder set or go big with the 124-piece Deluxe set, each offering exciting guided builds and stability grids. Combine sets to create your own Trestle Metropolis! Build, invent, and explore simple engineering while having a blast. All sets include durable parts and stainless steel marbles, and they’re fully compatible—collect them all!