Detailed instructions lead the user into brief experiments involving biology.

Limp spuds -- Stand up -- Hard to freeze -- Plants breathe -- Leaf colors -- Grow a bean -- Flower maze -- Algae growth -- Waterlogged -- Mini-organisms -- Fuzz balls -- Decomposers -- Equal pressure -- Earthworm farm -- Ground temperature -- Oily feathers -- In but not out -- Naked egg -- Have an onion -- Negative afterimage -- Small intestine -- Size change.