This 145-piece color-coded building set includes a spinning Ferris wheel, a swirling cone that plays a musical light show, thrilling ramps, fast tracks, extreme launchers and bases that all easily connect together. This building set includes 135 building pieces and features a spinning Ferris wheel, a musical light-show cone, fast tracks, extreme launchers and more that easily connect together Color-coded blocks and easy-to-follow guide help you construct three different builds from beginner to advanced or create your own; includes 10 marbles Accredited STEAM (Science, Technology, Engineering, Art and Math) Toy by the Toy Association Intended for ages 4+ years; requires 2 AA and 3 AAA batteries; batteries included for demo purposes only; new batteries recommended for regular use Roll through thrilling stunts and exciting challenges with the Marble Rush Ultimate Set. The easy-to-follow leveled guide includes three different builds from beginner to advanced, or create your own courses.