With Opposites - Match & Learn by Learning Journey's Clever Kids you can piece together some opposites for learning and fun. You get 30 pairs of self-correcting sturdy cardboard cards to match in this learning jigsaw puzzle. Match the giant elephant to the tiny mouse, the shining sun to the glowing moon, and the clean pig to the dirty one! Opposites - Match & Learn from Educational Toys Planet lets your child use thinking skills to find out which contrasting pictures go together. The thinking puzzle is a great way to learn your opposites through a classic matching game!