The T4 Series Family by Tillotson User T4 BAMBINORace ready for drivers 5 – 7 years T4 MINIRace ready package for drivers 8 – 12 yrs T4 JUNIORRace ready package for drivers 12 – 16 yrs T4 SENIORRace ready package for drivers 15+ yrs T4 DRIFTBuilt to Slide. Built to Battle. Built for the Next Generation RENTAL KART‘The FIA’s kart of choice for FIA Motorsport Games Endurance Kart event’