Walmart has the Dickie Toys Mega Crane Remote Control Set for $25 with free in-store pickup or $5.99 shipping to home. List price: $32. It has multiple functions that allow you to move the crane arm up, down, left, right and even move the hook and the platform forward and backward. instruction manual included, requires 6 AA batteries, not included.
Amazon has the Intex River Run Connect Inflatable Water Tube (51" X 49.5") for $14 with free shipping for Prime members or on $25+. Retail price: $30. Has good Amazon Reviews.