Are you worried that your kids don’t know how to count coins?Can they read the clock to the 5 minute interval? Do they know the measurement facts for linear, time, weight, and metric? How fluent are they with basic fractions? If you are worried, this set is just for you. It is 4 sets in one. It contains coin combinations using pennies, dimes, nickels and quarters. It has clocks that show the time for 5 minute intervals. There are basic measurement rules that they all need to know. The fraction c