Indoor Training.
Useful level for only 1 player.

1. Frog jumping:
   Jump in the moment you touch water for jump like frogs.
2. Jumping with springs:
   Try to reach the top at the left.
3. Jumping with springs further:
   Try to reach the top at the right (I don't know even if it's possible).
4. Jumping from a window:
   This is a hard one. Jump when you're at the end of the platform and not hitting the ceiling.
5. Jumping from a window to a higher platform:
   Jump when you're at the end of the platform and not hitting the ceiling.
6. Jumping over a 4 block hole.
   Jump when you think you must.
7. Jumping over a 5 block hole.
   Jump when you think you must.