These No. 11 scalpel blades are best for precision work dissecting muscles, vessels, and small organs.

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This plastic adaptor turns a soda bottle into a hanging bird feeder.

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Give plants and animals the oxygen they need to thrive with this electrical air pump. An air pump adds air bubbles, creates current, and agitates the water surface to promote gas exchange. It also helps maintain pH levels.

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Study E. aerogenes with this easy-to-use freeze dried culture. E. aerogenes is a gram-negative,bacteria, facultative, anaerobic, rod-shaped, non-spore-forming.

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