On the ledge with the second giant piranha plant there are two gears. Jump on the one to the right and then jump up onto the one on the left it will bring you up a little way and you can either use ...

The large, rocky Broulder enemies can be stunned with a jump, then carried around this level. Use one to push down the P pad, then stand on the other one to reveal a bridge to a Green Star. You can ...