The fischertechnik Plus Motor Set XM is a versatile expansion set for tech-savvy constructors aged 7 and up. With a total of 40 components, including a powerful gear motor, gears, axles, and transmission parts, fischertechnik models can be motorized and set in motion. The included accessories offer numerous mounting options for creative custom builds. Operating the gear motor requires a separately available fischertechnik Power Set or Accu Set for power supply. Made in Germany, this educational toy playfully imparts the mechanical basics of gear technology.