This table alarm clock features a sporty semi gloss silver plastic wheel that is wrapped with a black plastic tire with treads. It has a wrench for an hour hand and a screwdriver for a minute hand, which also have parts that glow in the dark. It also has a gear in the center that ticks every second. The clock is supported by a stand in the shape of a caution sign. The tire clock is 3.5 inches in diameter and 1.5 inches deep. Precision timing is kept with quartz crystal. The clock is powered by 1 AA battery (not included) and a 1 year limited warranty is included.