9-Part Human Brain Model with Arteries Material_Aluminum demonstrating mechanical advantage as the

demonstrating mechanical advantage as the angle of incline changes the effort needed to roll the cart up the slope

Thirty-atom organic chemistry model set with 24 short and long bonds

Sliding-rail aluminum bench with 1

Five removable sections separate the enlarged ear into outer

providing lightweight projectiles for collision-and-ramp experiments where steel or glass would carry too much momentum or break on impact

9-Part Human Brain Model with Arteries Material_Aluminum demonstrating mechanical advantage as theNine removable sections expose cortical hemispheres, brainstem, and cerebellum alongside the cerebral arterial supply for neuroanatomy and stroke pathway teaching.