Each needle minder is made from birch plywood and is available in 4 different designs - fox, squirrel, dove or heart.
The magnets are neodymium and although they may be small they are very strong. Keep away from little hands, pets, electronics (this includes sensitive medical devices such as pacemakers) anything a magnet can wreak havoc on.
Due to their size they also present as a choking hazard and best kept away from children.