Selected topics specially designed for teaching the elementary and middle school grades. Each microslide kit contains ten identical sets of eight photomicrographs, ten instruction texts, ten student worksheets and a reproducible teacher’s guide. 1. Frog Egg 2. Egg Embryo 3. Newly Hatched Tadpoles 4. Tadpole – Outside Gills 5. Tadpole – Hind Legs 6. Tadpole – Front Legs 7. Tail Disappearing 8. Adult Frog