Premium Beech Wood Test Tube Rack for 12 Tubes, 28mm Material_Cork this metal wave helix demonstrates

this metal wave helix demonstrates pulse propagation

Sixty-five-piece molecular model set with 32 atoms and 33 bonds for demonstrating bonding angles

a 12V-powered lamp

Hand-painted 4-part human brain model separates into cortical hemispheres and brain-stem regions for lobed-anatomy teaching at introductory biology levels

Shatter-resistant acrylic burette with a PTFE key stopcock and Class B accuracy per DIN ISO 385

Premium Beech Wood Test Tube Rack for 12 Tubes, 28mm Material_Cork this metal wave helix demonstratesPolished beech wood test tube rack with twelve vertical holes sized for tubes up to 28 mm diameter, built for classroom and professional laboratory storage.