This big rig alarm clock includes wheels that spin and headlights that shine! The large, easy-to-read digital display shows the time and a voice states "Time to wake up", a revving engine and honking sound plays when the alarm goes off. Features time set, alarm set, hour and minute controls on the back. Plastic and electronics. Req. 3 "AA" batteries (sold separately). 4"L x 6 1/2"W x 5 1/4"H.