Queen Development Calendar Tool

HillCo LLC - Bee Expo Verified independent store

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This is a super handy tool for gauging and keeping track of queen cell development. If you find a queen cell in your hive, this tool can help you determine how old it is and when i t will hatch. Detailed instructions for use are printed on the back. Made from high quality plywood, this tool will hold up for years and easily fits in your pocket. Show more