The Sitters/Crawlers Casual Pass is ideal for babies under 12 months to attend 6 of any of our interactive sitter/crawler classes with new baby. This pass is for babies aged 6 -12 months. With our casual passes you pay up front for 6 classes and have 4 months to use them. We know Sitters and Crawlers change sleep routines, get sick and often parents travel at this time. This casual pass is for designed especiallu for you. You never need to stress about missing a class.