DINO DOMAIN
You will find the key on the Ancient Lake track. After the first set of balloons, go off the track on the right, here you will encounter a little ski jump. De key is on top off the jump.
SNOWFLAKE MOUNTAIN
You will find the key on the Snowflake valley track. From the start of the race, go left off the track. Follow the track a short while and you the see the key at the right.
SHERBERT ISLAND
The key is on the Crescent Island track. Use the hovercraft for more speed. At the start of the race you can go either left or right. Go left and straight ahead until you encounter water. The key is in a gap of a stone at the right side.
DRAGON FOREST
The key is on the Boulder Canyon track. Go to the wooden bridge that leads towards the castle. Behind the bridge there is a bell with a blue balloon. Grab the balloon and wait until it returns and grab it two times more until you have a level 3 boost. Drive below the bell facing the bridge and if it's ok, the bell will sound and the bridge will raise. Drive onto the bridge and use the boost. You will land at the keycodes. Go to the options menu, go to the magic codes and enter them here.