For Kids Who Like to Think! The latest uKloo release, uKloo Riddle Edition Treasure Hunt is an engaging seek-and-find literacy game that combines thinking skills with physically active fun, designed for children ages 7 and up. To play the Riddle Edition, parents lay riddle cards around the house to create a trail leading to a surprise. An enclosed hints booklet can be accessed if the child gets stuck. If the child is really stuck and needs the answer they must reflect upon it