Offer allows up to two children 12 & under to get in FREE with one full-price paid adult. Children must be accompanied by an adult during the visit. Coupon cannot be combined with any other offer or discount. Balboa Park Explorer Passes and and Go San Diego passes are not valid for this promotion. Kids Free San Diego offers vary by participating partners. Balboa Park Explorer Passes are not valid for this promotion. Offer valid October 1-31, 2022.