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!
Explore the invisible and amazing power of magnets with 33 engaging experiments and games.
High-quality green laser pointer projects a green dot up to an incredible 2 miles away.
Build over 60 projects with this deluxe version of the Snap Rover kit!
This beautiful candle holder is carved out of natural amethyst!
Comprehensive collection of 30 fossils.
Dig deeper, and discover the fascinating crystal structures of minerals and rocks with this great kit!