Sound waves will not travel through a vacuum. Prove it with this demonstration of a ringing bell inside a sealed glass jar. As air is gradually vacuumed out of the jar, the bell will become faint, and will eventually become silent. Great demonstration model for the classroom setting.
This magic bird defies gravity before your very eyes!
Use this awesome prism to teach about optics and light in the classroom setting!
A combination of three of our great discovery toys, all in one package!
This mirascope creates a 3D hologram image!
This caffeine molecule mug makes an excellent gift!
This black scorpion specimen is great for the classroom setting!
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