smˈæli ɪvˈɑːlvd ˌoʊvɚ ðə jˈɪɹz ænd pɹədˈuːst ðə smˈæli fˈoːɹhˈʌndɹɪd twˈɛnti fˈaɪv wˌɪtʃ hɐz tˈuː dɹˈaɪv wˈiːlz ænd tˈuː stˈɪɹɪŋ wˈiːlz.
Smalley evolved over the years and produced the Smalley 425 which has two drive wheels and two steering wheels.