Features: -A fun maze toy, use different parts to build a route on the base plate, connect the path from the starting point to the end point, push the squirrel cart and watch it transport the pine nuts to the end point. -It can improve logical thinking, concentration, cognition and practical ability. -It is designed with 118 levels covering 5 difficulty levels, from beginner to master. -The squirrel car has a built-in mechanical connection track and uses inertia drive without batteries. -Made from high quality, non-toxic, recyclable ABS plastic. The edges are smooth, burr-free and not sharp. Specification: Material: ABS Combined base size: 31.2*31.2*2.5cm Main colour: green .