About us. Mini Playtime is an indoor playground where kids up to 5 years old can play, join events or celebrate Birthdays or any other special occasion in Farmers Branch, TX. Our motto is play, grow, celebrate. Playground Assistants Needed. 1 shifts available. Shift 1 Mon-Fri 8:30am to 1:30pm. Shift 2 Mon-Fri 1:30am to 6:30pm. Shift 3 Sat-Sun 8:30-9pm. Mon-Fri 6:00-8:30pm. Pay depends on experience and shift. $10-$12 plus tips. Check in customers...