The Too Big Dog Problem - Peg's Yard. Big Dog is too big to play Little Red on Peg's stage, until an escaped elephant and mouse get into the act. Primary Content: Size and weight Secondary Content: Balance. The Giant Baby Problem - Giant Land. Babysitters Peg and Cat must figure out how to use a giant beeper while chasing a giant baby and fleeing a giant mouse. Primary Content:Addition and subtraction Secondary Content: Ordinal numbers.