it is easy. all you have to do is run in tiny circles then jump.
Chat with our AI personalities
You spin round really fast basically when you jump in the air :-)
Be Luigi and do a backflip (R+B). As he falls, Luigi should spin so you can land easier.
Press and keep hold of the run fast button (Y)and quickly jump(B) and press down if your running fast enough you should turn in to the shell and spin
Go all the way to bottom left and spin attack [x] the wall. And when you get to the secret passage, remember spin attack is your friend.
When you are surfing, move your mouse up to jump. Press either up, down, left or right while jumping to do a spin jump.