In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Most kids love to play spy. Here's a way to have fun with mysterious codes while mastering an ordinary, necessary skill: first grade spelling.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Have your child kick off their summer vacation by making a miniature water slide!

In this fun activity, your child will create their very own solar oven to bake s'mores!

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

What's the first letter? Play this game with your first grader the next time you read together, and watch her reading skills grow as she climbs the levels.

Start the new year with this fourth grade math "Calculation Challenge!"

Challenge your learner to design and build a city of their own in this creative engineering activity.

Challenge your kid's creativity with a fun fall art project that features you as the collaborator.

Help your child make sense of our colorful world with this easy-to-make color challenge!

Give your smart second grader a rich challenge with this activity that combines graphing practice with money!

Let your fifth grader use his wits to challenge friends to complete their labyrinthine book of mazes!

Challenge your child to a word count war, and practice good note-taking skills at the same time!

Sure, your kid may already be a Picasso with a paintbrush, but even fancy artists need a new challenge.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Challenge your preschooler to a game of shape match-up--an entertaining way to boost her observational ability.

This activity is a fun challenge for students who have just started learning to program educational robots.

Sharing can be a challenge, and division doubly so! Practice halving numbers in this competitive card game.

Challenge your high school student to find the flaw in this short mathematical proof that one is equal to two.

Your first grader can create this cute heart puzzle with craft sticks and watercolor paints to challenge her friends!

Challenge your kindergartener to finding out if a coin toss is really fair by conducting this coin toss experiment.

Start by writing an acrostic poem, but then get ready for a writing challenge that makes an acrostic trickier to write.

Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

Challenge your learner to a whole new method of storytelling, and improve their fine motor skills in the process.

Challenge your fourth grader to try to recreate the geography of her state using just flour, salt, and water.

Challenge your child with this exciting 2D to 3D project using a sheet of construction paper, oil pastels, and scissors.

Challenge your third grader and a few friends to teamwork and laughs with these boisterous indoor Christmas games.

Challenge your budding wordsmith to see how many words he can make out of his own name, using homemade flashcards.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!