Description
Borosilicate 3
Demonstrates the full light-to-electricity-to-motion chain through a solar cell
25 inches tall with five 4
5-inch diameter
showing the hexagonal bonding within each layer and the weak bonding between layers
4-Stroke Gasoline Hand-Crank Engine Model, 13.75" Science at Home_Life Science Borosilicate 3Hand cranked 4 stroke gasoline engine model at 13. 75 inches tall with visible crankshaft, camshaft, valves, rocker arms, push rods, and an ignition light that fires on compression.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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