Is there really a tooth fairy? Kids, you can find out at the fourth annual Hawaii Dental Service Tooth Fairy Day, from 10 a.m. to 3 p.m. tomorrow at the Hawaii Children's Discovery Center.

There'll be educational games and prizes — all aimed at helping youngsters understand the importance of dental health; and free admission for the first 500 attendees who bring their HDS membership cards (others can get in for a discounted fee). 521-1431.