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6" Yellow Glow Stick
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Just snap the stick and shake it up for a cool light source that lasts up to twelve hours! Great for parties, dances, concerts, campouts and more. Color is orange.
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Eclipse Shades
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With several eclipses on the horizon, there is no better time to
prepare than now! The only way to safely view a solar eclipse is with these new and improved Eclipse safe solar glasses. Eclipse glasses are
exclusively manufactured with 2 mil scratch resistant polymer
(black/silver) lenses that filter out 100% of harmful ultra-violet and
infrared rays and 99.999% of intense visible light. Our premium eclipse
filters create the sharpest solar images with a natural orange color.
With an optical density of 5 or greater, these ISO 12312-2 compliant and
CE certified eclipse glasses are independently tested and safe for all
phases of the eclipse.
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Invisible Ink Pen with UV Light
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Write in invisible ink and then read your words secretly! The Ghost Writer has an invisible ink pen and built in UV (blacklight) flashlight that lets you read the words on the page. It also has a regular pen for normal writing.
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Mini Telescope
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This 1-1/2" telescope extends to 2-1/2" and has 3x power.
Email a question about this item
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Slide Viewer Diffraction Grating
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Single slide of diffraction grating material. 13,400 grating lines per inch.
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illooms Light up Punch Balloon
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Punch, punch, punch! How many times can you punch these light-up balloons? These
classic balloons inflate to 16" and are available in assorted colors.
Each pack includes 1 color changing LED punch balloon.
Balloon light lasts up to 15 hours.
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Glass Mirror - Flat 4" x 6"
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Durable, aluminized 4" x 6" second-surface. Good for basic lab experiments or other projects.
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4 pc Colored Finger Lights
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Pack of 4 Finger Lights. Each light straps to your finger with an elasticstrap.
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Right Angle Prism 19mm x 14mm x 14mm
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Small, right angle prism, suitable for laser experimentation and other optics work. Prism may have small edge chips or small stains. Experimental grade.
Measures: 19mm hypotenuse, 14mm side lengths, 10mm wide
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Concave Mirror 7.5 cm. Dia. x 7.5 cm Focal Length
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Second surface concave mirror. 7.
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