The Marble Rush – Circuit Billes – Rocket Set Electronic M100E offers a space-themed, comprehensive building experience. With 79 pieces and 10 MarbleBilles, the set allows children to create dynamic circuits. It features launch elements for horizontal and vertical marble projection, interacting with a rocket that emits sounds and lights. The set includes a launch area, secret passages, switches, and interaction zones, fostering skill development in motor skills, creativity, logic, and imagination. The set is compatible with other Marble Rush sets and incorporates an automatic shutdown feature for safety.