If you cannot find an invincibility plant make a helicopter plant Jump on it then jump off Flik will still be spinning and is invincible When you run into enemies they will die It wears off if you jump or after a short period of time
Return to training mode and find the letters to spell "FLIK" to gain an extra life. Repeat this to obtain as many lives as needed before resuming the regular game.
Bonus training level
Begin a game in the training level and finish all of Mr. Soil's objectives. Then, bounce on all the spiders to kill them and reach a bonus level. Complete this new level to view three FMV sequences.