Saturday, June 29, from 9 to 11 a.m., children are invited to take their favorite stuffed animal for a checkup; $8, $6 seniors, $4 for children ages 2 through 14, free for children younger than 2, includes admission to the zoo. Zoo staff will measure and weigh the toy, diagnose maladies, apply bandages as needed and award health certificates to all plush guests.