Wallace & Gromit’s World Of Invention. Wallace & Gromit are back with their World of Invention and they need your help to put their inventions right. The Crackers pair are in trouble and need some inspiration to build their designs.  Gromit just can't get Wallace's wake-up machine to work and has crashed their entire workshop! Could you design a better machine? Go to to enter and you could have your design featured in the show. You could have you, or your winning contraption, re-created into clay and appear in an animated production from the creators of Wallace and Gromit.