Terms and conditions apply, offer may vary. BOGO offer only valid for volunteers within Big Brothers and Big Sisters. Buy one 90-min jump, get one 90-min jump free. Offer valid for 90-minute jumps only. Offer only available Mon-Thurs. Coupon expires June 30, 2020. Cannot be combined with other offers. Coupon must be shown in park to redeem. Offer only available in US and Canada.