Kids practice identifying the uppercase letters L, K, and R.

Your kid will compare and contrast shapes in this fun, mud-filled game.

No wrong answers — just creativity! Kids use shapes to create mosaic designs.

Rock out to Penelope the Pegacorn and learn letters K, L, and R.

Kids must find shapes hidden in the museum in this interactive math game.

Kids match shapes in this digital memory game.

Kids must compose a square from smaller shapes in this tangram game.

Help children sort out shapes that have different colors in the preschool game Dino Crunch: Colors.

Muggo needs to be fixed! Kids must use shapes to fill in a shark puzzle in this game.

Puzzles are a great way to work on math skills like shapes and organizing -- and this online puzzle is a great tool for kids of all ages and skill levels.

What comes next? Kids practice AB and ABC patterns in this simple quiz.

One of these things doesn't belong, and your preschooler will find it!