DragonBox Algebra 5+

So Easy a 5-Year-Old Can Do It It's never too early to start learning algebra. You can easily grasp basic algebraic concepts and operations over ten chapters of the game. An instant feedback mechanism helps you understand what you're doing wrong to gain a sound understanding of algebra.

How does it work? Over the course of the game, the cards with drawings are slowly replaced with variables and numbers. Little by little, you learn the operations needed to isolate "X" on one side of the game board.