Do you know the famous 24 game? use 4 numbers once and only once to get the number 24. e.g. 1*2*3*4.
This 12 sided dice is a perfect tool to get 4 random numbers. you might think it is hard, but actually > 80% of time it will give you the combination to be able to do it. e.g. (3+3/7)*7=24
Print 4 of these and play with your kids