Marble Mania Catapult 3.0 Set includes over 80 pieces and is an action-packed marble maze with multiple building options, and is part of the Award-Winning Techno Gears brand. Build the track, full of colourful twists, turns, once completed, the spring-loaded launcher shoots the marble to the top of the build where the track and the fun begins! By encouraging children to follow directions, create patterns and understand mechanical flow, children will develop core cognitive development skills. This fun packed Marble Mania Set helps to builds knowledge of mechanics and engineering, as well as aligning with the Science, Technology, Engineering and Math (STEM) standards. Other educational Benefits include encouraging thinking and learning, challenging problem-solving skills, promoting fine motor skills and developing confidence and problem solving skills. Suitable for ages 6 years and over.