Description

and an underground lake

Plug-in 120V AC blower sized to feed a linear air track

Long-focal double-convex glass lens at 75mm diameter and 500mm focal length

75-inch post for attachment to standard rod-and-clamp stands

Wooden Test Tube Support with Draining Pins, 6-Place Science at Home and an underground lakeDraining pins paired with a turned post hardwood frame give this six place test tube support inverted drying plus upright storage for tubes up to 19 mm across.

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Wooden Test Tube Support with Draining Pins, 6-Place Science at Home and an underground lake

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