Check the listing for details. Mechanical Pinball Flip Clock- (See Description) OOAK. Color: Black, Condition: New: Other (See Details), Made in United States. Listed at 300.00 USD. One-of-a-kind "REVOLT!" high powered electric flip clock. Prototype desk clock manufactured by SPD in 2016. Large 3"number reels are driven by 25-volt solenoid coils. Delivers a loud "clack" with each minute/hour change. Little amber light on clock face denotes "PM" (or AM). Tested and still works good, keeps pretty good time.Although setting the time is easier by manually moving the reels then plugging in rather than pushing the buttons.New old stock. Only one of it's kind in the world, great conversation piece ,or gift to those who has everything. SEE IT WORK! >>>> https://youtu.be/8An2wrmoTRI?si=rj51YpNgha6RVnp7 Weighs 5 lbs 10" wide x 8" tall x 4" deepPlugs into any household outlet Sold as is, no returns. Thanks for looking!