Hand-Powered AC/DC Motor Generator Demonstration Model Pack Size_10 Hand-painted 4-part human brain model

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

Diamond lattice kit with 39 carbon atoms and 60 connectors for building the tetrahedral covalent network that gives diamond its exceptional hardness and optical properties

and 3 rods for multi-configuration study

and commutator function from the inside out

Hand-Powered AC/DC Motor Generator Demonstration Model Pack Size_10 Hand-painted 4-part human brain modelEngineered 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.