They have traveled back in time to cause problems in Ancient Greece, the Aztecs, Atlantis, and Egypt.
Kids have to draw upon their math skills to help save the world.
Kids can select Free Travel mode to choose their own route for time travel. In Challenge mode, kids choose the topics they want to cover before they travel to the past. The destructive duo has locked up the athletes in Greece and kids need to work with measurement and time-telling skills in order to free them. Gretchen and Wilbur have ransacked the Rainforest, stolen the birds, and locked them in the temple. Kids need to cut keys that will set the birds free by working with shapes.