MINI GYM MINIS (3 years y months to 4 years 5 months) 45-minute class each week $89/4-week month. For children entering the Mini Gym Mini class, this will be their first class without assistance from their parent. Students continue to practice listening, following simple instructions and taking turns with other students. The format in this class focuses a little bit more on instruction and giving students simple corrections to assist with skill mastery. Children will move through an obstacle course where they learn a skill with the instructor and then have many opportunities to swing, climb, jump, develop strength and coordination by practicing activities on their own. The target teaching ratio for this class is 6:1.