Cosmo lives on Mars. He has a big sister named Jewel (but she's a pain) and a robot named Rex (but he's broken). Cosmo's luck is about to change, though, because his parents have just given him a new Solar System Utility Belt with these ten supersonic attachments: Sun Laser-Beam FlashlightMercury Magneto WrenchVenus Antenna-Speaker PhoneEarth Electro-Optic PliersMars Micro-Radar Homing DeviceJupiter Coil CableSaturn Ring ScrewdriverUranus Ultra-Magnifying GlassNepture Specimen BagPluto Maxi-Scope BinocularsWith a belt like that, anything is possible .