Experience kinetic wonder with the Mould King 26009 – Motorized Rainbow Stepper II, a stunning 1,281-piece Great Ball Contraption featuring color-rich stairs and seamless motorized gear action that lifts and transports balls in perpetual motion. Crafted from precision ABS bricks compatible with LEGO systems, this dynamic build spans over 73 cm and offers endless display possibilities—whether showcased alone or as part of a larger GBC setup. Perfect for tech model builders, kinetic art fans, and advanced hobbyists aged 14+.
