Vintage IPI 1995 Star Trek The Original Series Electronic Tricorder Key Chain - Unsold Former Shop Stock. Released by IPI in 1995 as part of their series of Star Trek Electronic Key Rings. This fantastic Star Trek The Original Series Electronic Key Ring features the Original Series Tricorder which the top flips open to produce authentic sound and flashing lights, just like the ones used by Captain Kirk and Mister Spock in the TV Series, but is only 1/4 the size measuring in at 7cms by 4cmx by 2cms. Unsold Former Shop Stock From A Closed Down Toy And Comic Book Shop. Mint Condition & Factory Sealed. All orders received before 4.00pm Mondays to Fridays are dispatched the same day