Description
Six-lens optics set of three double-convex and three double-concave glass lenses with ground beveled edges
LED-indicating 2-input AND gate module showing HI and LO states with red and green LEDs and a printed truth table
Unequal-wheel pulley with a 2-inch and a 1
75-inch mouth on a 4 by 4 inch base
Comparative Terrain Landform Model Set with Mountain Overlay, 23.5", 2-Piece Subcategory_Magnetism Six-lens optics set of threePaired 23. 5 inch cross section models with a removable ancient mountain overlay, revealing how erosion, deposition, and tectonics reshape terrain over geological time.
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]
- Please click here for more details>>> Return & Exchange Policy
