With the Critter Case by Toysmith it's simple to examine and learn about frogs, bugs and butterflies in this collector case. Go on a journey in your backyard, to see what you can find. This critter case is made of sturdy plastic construction with fabric mesh, and it measures 7 1/2 x 5 1/2" x 8 1/2" and includes a carrying handle. Ages 5 and up.By Toysmith