Their project resulted in a racing game based on controlling real RC cars over the internet, in live races against other human opponents. Starting with a series of Siku 1:43 scale RC cars ...

Like full-size rigs, radio-controlled (RC) cars and ... from massive 1/6 and tiny micro crawlers. But by far the most popular are the middle three: 1/10, 1/18, and 1/24 scale.