The magic pond - Let the Bubble grow to it's fullest. Then click on the frog. The frog jumps on the Bubble. If it can touch the Bubble, it will begin to float. The frog can not get into the bubble unless the Bubble is fully grown.
This game is being created as a Games programming Tutorial. I will add new versions to this game. In each version you will see a new feature in the simulation/ game.