Turn over the Lady Bug Liquid Timer and watch two different colors of liquids slide down each turning the Lady Bug wheels. It takes approximately one minute (depending on room temperature) to completely empty into the lower portion. Great prop to keep on a science table for children to tip, turn and watch. Ramp Slide Timer can also be used for teacher or child stress/relaxation, quiet time toy, refocusing prop, anxiety prop or timer. Lady Bug Liquid Timer is 5" tall.