Already a customer? Click here to login. Aerobatics Circus Festival - Tramp Wall Workshop $25 / person or $15 / registered competitor Learn trampoline wall skills! Must be at least 8 years old. Space is limited! Please bring clean athletic shoes with laces that can tie up. Recommended are shoes with a flat rubber sole such as wrestling or indoor soccer shoes. We're sorry but this event has been reserved. Please review our calendar for another available date and time. Thank you.