The world's most dangerous secret lies between them.

The choice is yours. Join Mecha Elmo, Cookie Monster and Abby Cadabby in this STEM-focused learning adventure. This game combines mini-games and other activities with science, math and creativity.

Sure, you know there's the Super Bowl, Valentine’s Day, Groundhog Day, and Presidents Day, but you can also celebrate Elmo's Birthday ... roundup of 30 Exercise Games and Indoor Activities ...