Features: brand new and high quality Adventure through the barriers arouse children's curiosity and make children happy all day. Easy-to-build, kid-friendly track features connectors that let children build by themselves. Guide the toy for cars through the obstacle and pass each challenge, let children immerse themselves in the world of transportation or car adventure. Built-in mechanical linkage track, inertial vehicle track, no battery required. The stable physical structure makes the product for stronger and not easily damaged. Harmless and safe materials that make mothers more assured. This race track toy set combine with perfect size, bright color and 8 different challenges, which can exercise children's coordination, creativity, thinking ability and operation skills. The 2-in-1 track cooperative game brings more fun to children than the traditional single track. Specifications: Material:Plastic Type:Adventure Game with 2 for Cars/Adventure Game with 3 for Cars Package Includes: 2 Packages(A/B Optional) Package A:Adventure Game with 2 for Cars Package B:Adventure Game with 3 for Cars note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.