Rhythmic Ferrofluid
Get this affordable ferrofluid device here:
From Etsy: BUY NOW: Iridescent Ferrofluid (select option "rhythm machine")
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Rhythmic Ferrofluid: an iridescent magnetic fluid interacts with a variable strength electromagnet (like those found in speakers). A circuit supplies power to the electromagnet in proportion to the sound waves picked up by a microphone, the changing magnetic field- combined with the liquid surface tension of the colloidal ferromagnetic liquid- produces the captivating motion that keeps time with any music played.
Centripetal Spinning Wine Glass
Get this amazing wine glass here:
From Amazon: BUY NOW: Spinning Wine Glass
Note: this site contains affiliate links for which I may be compensated
Centripetal Stemmed Wine Glass: pair your favorite wine with some physics! Engineered with precise symmetry and quality bearings in the base, this glass will spin for minutes, providing a means of aeration that is amazing to see- and for small pours your wine can defy gravity! With a flick of the hand the surface of your wine will form into a vertical open cylinder that clings to the spinning glass.
Heritage Periodic Table
The Collector's Edition Periodic Table with 85 element samples and the exact version in video:
From Etsy store ProtoshopLLC : BUY NOW Heritage Periodic Table
Note: this site contains affiliate links for which I may be compensated
Alert: only this brand I know of that is guranteed to have the real elements embedded- beware that many very cheap fakes are being sold under $100 US.
The Heritage Periodic Table: Collector’s Edition- a comprehensive collection of the chemical elements that can fit in the hand. Embedded in acrylic are actual samples of 85 of the 118 elements- including pure gasses and reactive alkali metals in glass ampules- and represented by 80 high purity samples (including a Gold nugget and liquid Mercury) and 5 compounds. Radium is included in the form of an antique watch hand, and the bead of Mercury rolls back and forth within its glass container. This spectacular table and collection is the creative work of Tim and Cory Marriott of Engineered Labs Protoshop LLC