Economy Handheld Spectroscope, 24-Pack Lab Equipment_Water Baths each kit bundling two polystyrene

each kit bundling two polystyrene foam calorimeters with lids

this die-cast single-speed centrifuge spins four 15 mL tubes for basic demonstrations of centrifugal separation

5V to 12V at up to 1A

25-inch Magdeburg-hemisphere suction cups with release stubs

3 glass features 10/19 cone with flat bottom for sealing ground joint vessels and chemistry apparatus

Economy Handheld Spectroscope, 24-Pack Lab Equipment_Water Baths each kit bundling two polystyreneClass pack of economy handheld spectroscopes fitted with a rotating slit cap and internal diffraction grating for identifying constituent wavelengths in visible light sources.