This effect was first released by Ken Allen c. 1960 as Loki’s Locket.
Bob Solari released a series of Classic Collectibles in the early 1990’s. All of the pieces were well made in Solid Brass, they looked great, were solidly made, and worked perfectly. The effects in the series included:
- Solid Brass Ball and Vase
- Solid Brass Keyless
- Solid Brass Psychic Key
- Solid Brass Metamophis Coin
- Solid Brass Spiked Coin
- Solid Brass Snapper
- Solid Brass Hot Rod
- Solid Brass Phantom Block Mystery
- Solid Brass Locket Release
- Solid Brass Ribbon Release
Effect: A BRASS square rod is shown with six different colored gems on it on both sides. A spectator selects a color gem. INSTANTLY all the gems change to the selected color gem. Again rod is shown on both sides. This “CLASSIC COLLECTABLE” SOLID BRASS “HOT ROD” has been expertly machined from solid brass to last a lifetime. The gems are REAL GLASS (not plastic) and are imported from AUSTRALIA. Another “CLASSIC” brought back to life using only the highest quality materials available.
(Notice: Includes: Printed Instructions.)( Post Source: martinsmagic.com - click for details )