Fascinating Desktop Illusions! Spin the holographic disk on the mirror. Does it speed up? Listen to its rhythmic sounds. Why does the humming get
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Customer reviews: Toysmith Euler's Disk – Create A Hypnotic Display of Light & Sound with Our Office Desk Accessories – Science Toys for Adults & Kids 8+
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Toysmith Euler's Disk
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Euler's Disc: Spinning disc goes for minutes!
Toysmith Euler's Disk
Fascinating Desktop Illusions! Spin the holographic disk on the mirror. Does it speed up? Listen to its rhythmic sounds. Why does the humming get louder as the speed of the disk increases? This patented 3 diameter chrome-plated steel disk creates a hypnotic display of light and sound as it rotates. Includes Euler's Disk, 9 concave mirror base and nine pieces of magnetized holographic foil. Complete with instructions and the scientific answers!.
Toysmith Euler's Disk
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Toysmith Euler's Disk – Create A Hypnotic Display of Light & Sound with Our Office Desk Accessories – Science Toys for Adults & Kids 8+
Toysmith Euler's Disk Spinning Science Into Art!
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Toysmith Euler's Disk – Create A Hypnotic Display of Light & Sound with Our Office Desk Accessories – Science Toys for Adults & Kids 8+ : Toys & Games
Toysmith Euler's Disk Spinning Science into Art Item# 791709
