It happened about 1:15 p.m. Monday near the corner of 41st Ave. SW and Dakota.
Three 9-year-old girls reported that the man was sitting in a large white SUV with the door open and was naked from the waist down.
The suspect is described as a white male in his mid to late 20s with short dark hair and a heavy build.
When the victims started to run toward the school, the suspect drove away northbound on 41st Avenue SW.
Officers searched the area but could not find the man.
Anyone with information should call 911
We will have a complete report tonight on Q13 Fox news at 9 and 10 p.m.