Star Trek Light & Sound Transporter Pad LED Coaster
This coaster set looks AND sound like Star Trek: The Original Series transporter pads!
When you place a drink on one or remove it, the coaster lights-up and plays either a materialization or a dematerialization sound.
On/Off/Light Only switch on bottom allows you to conserve batteries.
Two (2) CR2032 button cell batteries required for each coaster (not included).