Craftsman 3 Arm Metal Rotary Sprinkler on Wheeled Base for $6.49.  Add it to the cart to see the lowered price.  Order online for in-store pickup at Sears to lock in the price, save on shipping, and ensure availability.  Otherwise, shipping is $6.50.  Here is a screenshot for your reference.  This sprinkler is made of solid metal and has a wheel base for moving around.  This rotary sprinkler usually goes for about $12.