Tag Archives: Jeff Prace

Penrose Pendant by Jeff Prace

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A fashionable accessory that transforms an age-old mystery.

This gorgeous brass pendant houses an invisible mechanism for the century-old hidden gem: the Obedient Ball. Beautifully embossed with Escher-like impossibilities, it is self-contained and fully examinable. If you don’t know the secret, you won’t find it.

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Mon-Key by Jeff Prace

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An automatic mechanism intricately assembled inside of a house key.

MON-KEY reimagines a classic plot in magic: a house key is threaded onto an ordinary key ring, and they impossibly penetrate—all while being tightly held by the participant.

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