SMALL - Ideal for 1/2 small children or 1 child 4+ (apartments, smaller living arrangements)

MEDIUM - Ideal for 2 older -3 younger children (larger apartments, house, average living space)

LARGE - Ideal 3 children 4 years + - 5 younger children (child minding, class setting, larger living space someone who has plenty of space ideal for adults to join in)