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!
Create beautiful art with this amazing sun paper!
This caffeine molecule mug makes an excellent gift!
Build a robot that's an artist too!
Get this great introductory chemistry kit for your favorite young scientist!
Build your own windmill generator kit by recycling a plastic bottle!
Command robotic creations with this cool construction kit!