Life-Size Human Brain Model with Arteries, 8-Part with Stand Subject_Earth Science Quartz-driven digital stopwatch with 1/100th

Quartz-driven digital stopwatch with 1/100th second precision and a built-in alarm

for studying precession

Right-angle cone to flexible tubing Rotaflow stopcock in borosilicate glass connects ground joint apparatus to rubber tubing with flow control

Three-bob pendulum set with 1-inch brass

6-piece organic chemistry glassware set includes interchangeable components with 14/23 joint size for distillation and synthesis procedures

Life-Size Human Brain Model with Arteries, 8-Part with Stand Subject_Earth Science Quartz-driven digital stopwatch with 1/100thSurface arteries painted over 8 removable brain sections reveal cerebrovascular anatomy alongside structural divisions, mounted on a detachable display stand.