Modular 3D Construction RoadBuilder Kit Modular Toy's concept is based on a new patented and innovative modular system that enables multiple variations developing 3D perception, planning, creativity and abstract thinking. The game develops abstract thinking, three-dimensional perception, and creativity. Includes: 24 construction pieces, 1 car, track extractor, decorative stickers and accessories. More than 1,000 track combinations. All Modular Toy Construction Sets are Compatible and Can be Combined for Best Play Value