A big caterpillar, a little caterpillar. A big butterfly, a little butterfly. Images from Eric Carle's The Very Hungry Caterpillar model for learners with autism the difference between big and little.

Moon, eggs, leaf, sun, caterpillar. Prior to reading Eric Carle's classic tale, introduce vocabulary for The Very Hungry Caterpillar with these picture cards that also include the vocabulary word printed in large type.