These axolotls are soothing sensory balls. They small sized and are filled with a bunch of thick colored gel and glitter inside its flexible skin. When you squeeze the ball the gel push out and around making the ball bulge. It is very soothing to feel the thick gel. The skin has a sticky feel that goes away with time. Axolotls are 2.25″ tall x 2″ x 1.5″, and comes in 4 colors.