With a realistic toilet-flushing sound on-the-hour, every hour, this toilet time clock rocks as a gag gift. It just might take the cake for Most Audacious. We all know someone who would think it's the most hilarious gift they've ever received (or given). Go ahead — make someone giggle, hour after hour, flush after flush. 9 1/2in.L x 9in.W x 1 1/2in.H. Requires 4AA batteries (not included).