You’re never too old to play with toys, we say – and Toyota has given us all a nice reminder with the release of the full-size HiLux Tonka concept. Billed as the “dream toy for adults”, this collaborative ‘Toyonka’ (Tonkota?) made its global debut in Sydney recently. As hoped, it oozes the same childish charm as the bright yellow, indestructible, miniature dump truck that…