Hand-Powered AC/DC Motor Generator Demonstration Model Pack Size_10 and commutator function from the

and commutator function from the inside out

3oz each in a 2-pack for double-sized chemistry-themed drinking vessels

101-piece teacher-grade molecular model set with 51 atoms and 50 bonds covering carbon

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

Seventy-times enlarged skin cross section reveals epidermis

Hand-Powered AC/DC Motor Generator Demonstration Model Pack Size_10 and commutator function from theEngineered to expose both AC and DC generation on a single hand cranked apparatus, this motor generator pairs a split ring commutator against slip rings with bulb indicators.