As children enjoy the antics of SpongeBob Squarepants, they"ll expand their vocabulary and improve their reading comprehension skills. This interactive book includes 2 stories from down under (the sea that is). Children will learn how a caterpillar turns into a butterfly and appreciate the value of imagination. Works with all LeapPad learning systems, except for My First LeapPad. Intended for Grades 1-3, ages 6-8. Imported.