Services › Multiple Children Lessons Image 1 of 1 Multiple Children Lessons $40.00 We keep instructors to only two children. $40 for 30 minutes, $50 for 45 minutes, and $60 for an hour. Quantity: Add To Cart Added! We keep instructors to only two children. $40 for 30 minutes, $50 for 45 minutes, and $60 for an hour.