The spoon look good and are made of soft plastic. They change color actually in use, but that does not in feeding a. According to instructions of the porridge is too hot when the spoon discolored to stick out - this is however not a good Indikater, because for this you have to keep the spoon in already boiling water. The pulp is also much too hot when discolored only the spoon tip and this can not be seen as a rule, because of the porridge obscured it. Nevertheless, a good spoon that even survives the dishwasher and still not lose the coloring function. One just needs to - as always - check for yourself how hot the food is actually.