Super Grover goes to pick up his cape at the laundromat and it's not ready so he assumes a new super hero identity Iron Monster. Grover teaches children math while making change for customer... Read allSuper Grover goes to pick up his cape at the laundromat and it's not ready so he assumes a new super hero identity Iron Monster. Grover teaches children math while making change for customers in this fun filled math adventure.Super Grover goes to pick up his cape at the laundromat and it's not ready so he assumes a new super hero identity Iron Monster. Grover teaches children math while making change for customers in this fun filled math adventure.