Good concept, but the execution could use some polishing.
The idea of racing with strange power-ups is a good one, but the controls made it quite challenging for a smooth gameplay experience. A racing game without a twist is already real challenge for the controls. The steering wasn't very fluid, and with power-ups like anti-gravity or reverse controls, it became really difficult (at least for me).
A timer to see when the power-up wears off might be a good idea so you know when you can drive normally again, and a message indicating which power-up you've picked up.
Graphically, it looked good with a nice car and racetrack. The start screen was also slick! The start music and race audio track were pleasant to the ear. Crazy power-ups were indeed present.
Good concept and foundation for even more! Keep it up.