Ray Box with Magnetic Base, 12V 21W Category_Plasticware Open back reveals spine and

Open back reveals spine and posterior musculature while the head section preserves upper-body context

Base-mounted 2-stroke diesel engine model in aluminum and plastic

and three low-friction nylon wheels for straight-line momentum experiments

Cut-away 17-inch active volcano model reveals magma chamber

sized for low-current circuit work below the 1A range where finer resolution matters more than full-scale capacity

Ray Box with Magnetic Base, 12V 21W Category_Plasticware Open back reveals spine andMagnetic base anchors the metal cased unit to benches and steel boards, while variable focus produces five parallel beams that a shutter masks selectively. Ships with a 12V 21W bulb.