Description

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

Thirty-two-inch advanced pulley demonstration set with 8 singles

an Erlenmeyer flask

Double-parallel plastic pulley with two 50mm wheels in a steel frame and end hooks

Hand-painted female pelvis model exposes ilium

Standard Ray Box for Optics Material_Hardwood Base-mounted 2-stroke diesel engine modelDesigned to project narrow beams through interchangeable slit plates, this ray box gives students a controllable light source for reflection, refraction, and ray tracing demos.

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
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Standard Ray Box for Optics Material_Hardwood Base-mounted 2-stroke diesel engine model

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