CARL RUSSO/Staff photo. The Pentucket Kiwanis Club in Haverhill held their annual Soap Box Derby last Saturday at the Bradford Elementary School. Eric Aguilar, 7 of Haverhill is looked at by a Trinity Ambulance E.M.T. after his race. Aguilar crashed into the piles of hay at the finish line when he failed to apply his brakes. He was uninjured and stayed in the race. 6/16/2012.