Toysmith Euler's Disk – Create A Hypnotic Display of Light & Sound with Our Office Desk Accessories – Science Toys for Adults & Kids 8+

Spin science into art: Euler's Disk is a chrome-plated steel disk that produces a captivating sonic hum and a magical holographic display; swap

Toysmith Euler's Disk - 791709 for sale online

50 mesmerizing desk toys that could replace your Newton's cradle - CNET

Toysmith Euler's Disk – Create A Hypnotic Display of Light & Sound with Our Office Desk Accessories – Science Toys for Adults & Kids 8+ : Toys & Games

50 mesmerizing desk toys that could replace your Newton's cradle - CNET

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Spin science into art: Euler's Disk is a chrome-plated steel disk that produces a captivating sonic hum and a magical holographic display; swap

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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Funtime Gifts 10692 Foucault's Pendulum Mind Fuel Desktop : Toys & Games

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! Your browser does not support our video.