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 | Mecha-medusa - Sound Sensor INTERMEDIATE...No soldering. A stronger, Mecha-Medusa is a walking robot that operates with the aid of a sound sensor. Clap hands or snap fingers to command this robot to start walking on four legs. Stops automatically after a preset time. Ideal for the hobbyist or budding scientist.* Power Source: 2 -'N' batteries - not included. |