From the idea well, not by the implementation ... The children makes it indeed fun - but for about 10 seconds, because then all the butterflies are out and Mama busy butterflies to put back into the opening - which is no easy task: First collect all the butterflies, then several passages again step back and hey presto are again defies all. In the meantime, it no longer would the children. Because the pick-up and cram the Dinger takes much longer than the playing time. Thus, a short pleasure for the kids and an annoying for parents.