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!
Perform awesome experiments using everyday materials found in any kitchen!
This classic device is used to demonstrate the conservation of mechanical energy.
View the glory of space with this hi-tech telescope set!
This mirascope creates a 3D hologram image!
Build your own windmill generator kit by recycling a plastic bottle!
An ancient toy featuring optical illusion and hands-on fun that never grows old!
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