343-Piece Giant Molecular Model Set, 99 Atoms Included_Stopcock its sectioned carburetor and fuel

its sectioned carburetor and fuel supply exposing the compression-ignition cycle to a hand-cranked turnover

This unique training system houses five different plug-in simulator modules

and corona discharge

this metal helix lets stairwell-scale wave-propagation experiments amplify the visibility of standing waves

free of magnetic-core saturation effects for AC circuit

343-Piece Giant Molecular Model Set, 99 Atoms Included_Stopcock its sectioned carburetor and fuelWhole class visible giant molecular model set with 99 atoms 1 2 inches in diameter and 343 total pieces including double bond, turning, and connector links for back of the room demonstrations.