• Interactive marble run with 65 components and 5 MarBalls for great fun. • The storage box with a practical carrying handle integrates as an additional component in the assembly. • Includes a catapult launcher to transport the balls directly into the funnel and across the track. • Incorporates flexible tunnels that can be bent and twisted to create more creative track constructions. • Offers multiple assembly possibilities with routes including curves, tunnels, and ramps. • Helps develop motor skills, creativity, spatial thinking, and understanding of cause and effect. • Compatible with all Marble Rush series sets to build more extensive marble run worlds. • Recommended for children between 4 and 12 years old. • Includes assembly instructions (German version).