I don’t think so, unfortunately. A mass-produced sign alerting drivers to the children in the area doesn’t look like an interesting place to explore, exercise or socialize to me (these are the three eligibility criteria, an eligible nomination should meet at least one of these), and there could be additional acceptance criteria concerns such as pedestrian access among other things with this one.
If you would like help with looking into eligible things in your area, you are welcome to share the location if you are comfortable, or share your other nomination ideas.
Nein, das kann man sich im Baumarkt einfach kaufen oder Internet. Ein solches Deko Objekt dass in Massen gefertigt ist und keine Übereinstimmung mit den Kriterien Entdecken, Bewegung oder Treffpunkt hat, ist es nicht zulässig