With kids being kids, and tablets having a tendency to react badly to being dropped on hard surfaces, having some form of protective case to reduce the chance of the tablet being damaged, and especially the screen being broken, if it is dropped is generally a good idea.
The Samsung Galaxy Tab E Lite Kids does come with a soft protective bumper to reduce the chance of damage in such a situation. The bumper has cut-outs for the camera and the various ports. The bumper itself is a pale green colour.
Additional protection can always be added with such as screen protectors and travel cases.