No sooner has the frog hopped onto the back of the kangaroo than the hedgehog gets ready to jump up and join him. Because today the great animal pyramid is being built! The players roll the die to see which of their animals they have to place on top of the others next. The first one to safely stack all of their animals on the pyramid wins. Haba Children's Games Animal Upon Animal Mini Tin. Simple rules to start playing right away. Contains 2 kangaroos, 2 frogs, 2 ducks, 2 hedgehogs, 2 butterflies, 2 polar bears, 1 crocodile, and 1 die.