3-Level Stackable Wooden Tower for Building Bricks, 22 inch Science at Home_Life Science Heavy-gauge copper outer vessel with

Heavy-gauge copper outer vessel with internal sulfate-crystal shelf

illustrating the high-ratio speed reduction and self-locking action of worm gearing

5-inch porcelain plate drops into 20cm vacuum desiccators to support samples above the desiccant bed during drying and dehumidification

Translucent polypropylene 14-inch pipette sterilizing box houses glass pipettes during autoclaving and storage in microbiology and tissue-culture labs

3-Level Stackable Wooden Tower for Building Bricks, 22 inch Science at Home_Life Science Heavy-gauge copper outer vessel withThree level wooden tower stands 22 inches tall with three 10 inch base plates compatible with major building brick brands for stacked construction play.