Glass Plate, 5" x 5"

8 ounce capacity, 100 mm diameter funnel with short 11 mm diameter stem.

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This porcelain mortar and pestle set is ideal for a wide variety of grinding application in the lab or at home.

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This 30 ml (1 oz.) amber glass Boston round bottle is ideal for storing chemical solutions, most solvents, acids, and bases.

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With this robotics kit, kids can assemble a smart robotic crab that can detect the edges of any platform & make swift turns to avoid falling off. Turn your robot on, put in on the table & watch it perform stunning acrobats!

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These #4 rubber stoppers are 20-26 mm diameter with one 5 mm diameter hole.

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Explore the physics of refraction using a laser pointer and an acrylic prism.

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Take the next step in building bristlebots! Build a light-tracking or solar-powered toothbrush robot. Brushes & googly eyes are not included in this kit. Use the fun design ideas shown to inspire your own creations!

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Set of six glass lenses used to demonstrate optical properties.

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An economical slotted metal (brass) weight set with hanger.

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These top-opening glassine evelopes are preferred by insect collectors.

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