Made of translucent polypropylene, this erlenmeyer flask comes with a coarse threaded cap which fits well but is not entirely leak-proof. The flask is autoclavable and can be used for storage purposes in the lab or the classroom.
Note: Included cap is NOT leak-proof!
Build over 60 projects with this deluxe version of the Snap Rover kit!
Every kid needs one of these spheres!
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
Build 20 different solar powered models with unique building pieces, controlled by an RC handset!
Working model representing the sun, earth, and moon and their relationships.
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!