KEY CHAIN Giant Microbes MINI (Mini - Miniature in Size - 2-3 Inches) Red Blood Cell (Erythrocyte) MINI Giant Microbes (Mini Microbe - Miniature in Size) - GREAT GIFT IDEA! Each 2-to-3 inch doll represents the real microbe, just bigger Our GIANTmicrobes charm is the key to good health. Who needs a rabbit's foot now! Mix and Match these CUTE and SMALL Plushies - Great for the office, desk or dresser! Other Key Chains & Larger Sizes SOLD SEPARATELY