GOOD PUPPY Children Behavioral & Emotional System . Play Cash For children, ages 3 to 9. 20 Bills. 5 bills of each of 4 Denominations: $1 Molar, $2 Molars, $5 Molars & $10 Molars 2.5" H x 6" W 2 Sided, bright white paper. To be used with GOOD PUPPY Children Behavioral System tools.