this seems very popular for youth group rooms. stadium seating, do this but with pallet coaches
Chaheati: Heated Stadium Seat
Stay outdoors longer with the Chaheati Stadium Seat Cushion. It's cordless, lightweight, and portable so you can take it anywhere. The rechargeable heating system provides up to six hours of heat so you can stay comfy in the cold.
Creighton University Stadium Seat Cushion - Plaid Design
Texas Tech Red Raiders Stadium Seat Cushion
Creighton University Stadium Seat Cushion - Squares Design
Stadium Seat Cushion...Square stadium seat cushion is lightweight and waterproof. These cross-link polyethylene stadium seat cushions contain no PVC. Black bottom prevents cushions from showing dirt while colored tops showcase your message and 3/4" thickness provides comfort and protection. Great cold weather alternative to vinyl.
MLB Milwaukee Brewers Stadium Seat Cushion - Kneel Pad https://allstarsportsfan.com/product/mlb-milwaukee-brewers-stadium-seat-cushion-kneel-pad/ Made of polyurethane memory foam Mat woven imprinted surface Built in handle