Dynamic M Marble Run Construction 4in1 Building Set fischertechnik 533872 100

Description: Action and sound parts open up many possibilities for even more exciting courses. While they race downwards, the steel balls let the sound tubes create melodic tones. The rotary funnel offers a new way of bringing balls onto the rail. Four exciting obstacle courses can be built. Brief: Acoustic and motion components add more fun to marble runs. Balls pass through sound tubes producing tones while moving through complex tracks with funnels, curves and crossings. Includes multiple models with enhanced interactive features. Age: 7+ Contents: Rotary funnel + 3 sound tubes + Cross-over + 5x 90° curves + Magnet holder + 8 balls + 4 flex rails 90° + 14 flex rails 180°