Commonly known as "eye-droppers", these are glass pipettes with a black rubber bulb. Four 41/2" long pipettes per pack.
The microscope model that sets the standard for high school instruction, now with cool, long life LED illumination. Includes all the most commonly ...View full details
A very handy rotating star, planet and constellation plotting map. Just turn the inner map until the time of day (or night, rather!) matches the da...View full details
Instructions, illustrations, and plenty of information are contained within this book. Instructions for dissecting earthworms, crayfish, grasshoppe...View full details
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