Twist and turn through thrilling stunts and exciting challenges with the Marble Rush™ Spiral Starter Set™. This 67-piece color-coded building set includes a swirling funnel, dizzying corkscrew, an extreme launcher and bases that all easily connect for sturdy obstacle courses. The easy-to-follow leveled guide includes three different builds from beginner to intermediate or you can create your own courses. When construction is complete, drop the five included marbles into action and watch them race down ramps to the launcher challenge. Compete with friends and family using the exciting launcher to keep the marbles in motion and launch them back to the beginning. Combine with other Marble Rush™ sets (sold separately) to create an extreme playset. Recipient of the STEAM (Science, Technology, Engineering, Art and Math) Accreditation Stamp of Approval by the Toy Association™. Intended for ages 4+ years. Batteries not required.