Wankel Rotary Engine Model StockedLY9121 this 2-pack of 20oz Griffin-shape

this 2-pack of 20oz Griffin-shape borosilicate beakers adds a pouring spout for everyday home use

and steel in a snap-top case

75 lb retort set accepting 10 by 1

Double-parallel plastic pulley with two 50mm wheels in a steel frame and end hooks

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

Wankel Rotary Engine Model StockedLY9121 this 2-pack of 20oz Griffin-shapeCutaway hand powered Wankel rotary model at 8 by 7 by 3. 5 inches on an 8 by 8 by 2. 5 inch base, exposing the triangular rotor's epitrochoidal motion with a lamp lit ignition point.