The electric mini-train is attracted by magnets! It runs swiftly on a three-dimensional course! A deluxe set of Rail Cubes is here!! It contains double the quantity of the starter set. Combine the cubes and program your own three-dimensional course! This is a STEAM TOY that cultivates "spatial awareness" and "logical thinking skills." Easy to assemble! The rails snap together and come apart with a click! The mini-train is rechargeable and can go straight, climb, and even upside down. Combine various cubes and build your own unique course to play with! ＜Set Contents＞Start Cube: 1pc Straight Cube: 31pcs Outer Curve Cube: 8pcs Left/Right Curve Cube: 16pcs Inner Curve Cube: 8pcs Straight Support: 32pcs T-shaped Support: 8pcs Support Joint: 8pcs Electric Mini-Train: 2 units USB Charging Cable: 2pcs Instruction Manual: 1 sheet Programming Record Notebook: 1 sheet ＜Main Materials＞Mini-Train Body, Various Cubes, Various Supports: ABS Mini-Train Internal Parts, Cube Joint: POM Mini-Train O-ring: Synthetic Rubber Various Cube Metal Plates: Stainless Steel USB Cable: TPE