Place the same number of objects on your stage as Dorothy has on hers! How many is that? You'll have to count, add and subtract to find out!

Little, Middle and Big need shoes! Help them try on boots, high tops, sandals and slippers as you explore the concept of size.

Create, recognize and complete patterns with Bing and Boing, the bouncing pals. As they hop on a picture, it makes a wacky sound. Record your own sounds for even more fun!

Use blueprints—or your own creativity—and learn about geometric shapes as you build a Mouse House. Print and color your house too!

Little critters pop up and count off when you select a number from 0 to 30 in the Number Machine.

Learn about numbers and quantity as you place from 1 to 10 rolling eyes, wagging tails, wiggling antennae and other moving parts on a bug!

Decorate cookies with 0 to 20 jellybeans in the Cookie Factory—and discover the sequence of events required to make a tasty treat for Harley, the horse.