Toysmith Euler's Disk - Hypnotic Light & Sound Display for Adults & Kids 8+

Spin the holographic disk on the mirror and experience fascinating desktop illusions! Listen to the rhythmic sounds as the disk rotates. Why does the humming grow louder as the speed of the disk increases? This patented 3-inch diameter chrome-plated steel disk creates a hypnotic display of light and sound as it spins.

The Euler's Disk includes the 3-inch chrome-plated steel disk, a 9-inch concave mirror base, and nine pieces of magnetized holographic foil. Complete with instructions and the scientific explanations, this captivating kinetic desk toy is perfect for inspiring curiosity and wonder.

Spin science into art with the Euler's Disk. This chrome-plated steel disk produces a captivating sonic hum and a magical holographic display. Swap out the holographic foils to explore different visual effects, making it an ideal desk décor or office toy to help increase focus.

Learning reimagined, the Euler's Disk is inspired by the work of the renowned mathematician Leonhard Euler. When given kinetic energy and spun on the mirrored base, the disk exhibits mesmerizing behavior. If not for friction and vibration, it would spin and roll forever. Give the disk a twist and let gravity do the rest.

The Euler's Disk features include a complete set of six disks, the concave mirror for the disk to spin on, and nine pieces of magnetized holographic foil for a variety of brilliant surface designs. Full instructions are provided, allowing users to dive into the science and mechanics behind this captivating kinetic toy.

Euler's Disks make great desk accessories and conversation starters, perfect as STEM toys and kids toys to ignite excitement about science. The 3-inch disk spins on the 9-inch concave mirror, making it an ideal table-top piece or desk toy. Recommended for ages 8 and up, these kinetic desk toys are sure to captivate and inspire.

product information: