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Color Changing Goldenrod Paper
This paper turns bright red in bases and returns to bright yellow in acids.
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Dropper Popper
This incredible device seemingly defies the laws of physics by bouncing higher than where you dropped it from!
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Magnetic Accelerator
Could this be the basis of a perpetual motion machine? Great for open-ended discovery.
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Newton's Cradle
Perfect for teaching your students about Newton's laws of motion, Newton's Cradle makes a great addition to any classroom.
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Phosphorescent Vinyl Sheets
This 'glow-in-the-dark' material absorbs light and slowly emits it over a few minutes.
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Ultraviolet Detecting Beads
Change color when exposed to ultraviolet light from the Sun or other UV source.
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