RF powered car

Hello,

I have bought a pair of 434 MHz transmitter and receiver http://dlnmh9ip6v2uc.cloudfront.net/datasheets/Wireless/General/RWS-371-6_433.92MHz_ASK_RF_Receiver_Module_Data_Sheet.pdf and I am wondering how can I make an RC command to control a small toy car for my nephew?

Why not use cheap R/C tx/rx, which are designed for the job?