Learn the basic principle of operation behind an electric bell. Great for science fair projects.
Operates on 3- to 6-V DC battery or 6- to 10-V AC transformer.
The coils and terminals are enclosed under a snap-on metal cover.
Bell is removable for use as a buzzer. Mountable.
This set includes three (3) N95 FDA registered and NIOSH approved and respirators.
These extra-large, powder-free, 5mil Nitrile Exam Gloves are designed and manufactured for superior comfort and protection.
Save with this large package of 300 medium-size nitrile exam gloves!
Highly durable lab apron made of rubberized cloth is impermeable and easy to clean, perfect for all manner of lab or classroom experiments
Durable, anti-fog safety glasses that fit comfortably on any head size.
Professional Powder-Free Textured Nitrile Exam Gloves with Aloe, Size Large
Great reference card for chemistry and physics students.
An ancient toy featuring optical illusion and hands-on fun that never grows old!
This microscope is so versatile you can even take it with you on a job site!
Use this awesome prism to teach about optics and light in the classroom setting!
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
Check out this high-quality gyroscope!
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