You can use this rubber stopper to contain liquid in test tubes and flasks. Fits tightly to prevent chemical leaks. Highly recommended for use in the science classroom or when displaying a science project!
This project book and sample kit introduces you to shape-memory alloy technology!
Learn all about Newton’s Laws and Energy conservation.
Create all kinds of marble run combinations with this 80-piece Marble Run set!
Watch what your music can create with this amazing Snap Circuits set!
This genuine meteorite is great for the rock collector in your family!
The large realistic model has removable organs that can be studied and set back into the correct position.