Die blaue Maschine (The Blue Machine) / Heike Ellermann. - Oldenburg : Lappan, 2008. -  p.: Mostly illustrated |
After some guesswork, it turns out that the mysterious device in the picture is a toothbrush for beavers. The beaver soon arrives on the scene and explains in a lively rap number why it's so important for children to give their teeth a thorough and regular brushing.
Recommended for ages 4 and over.