To play this game all you need is blocks and dice.
The goal of the game is to see who can collect more blocks. The first person starts by rolling the dice. Then they add up the numbers and pick out that many blocks. then the next person goes. One child started building a tower while the other was just building a home for a elephant.
To make this game hard try adding, subtraction, or multiplying the numbers on the dice.
You could also ask your child to write out each problem on paper to solve it.