Nuluv Jittery Koala- with RattleThe Koala incorporates a jittery mechanism that creates gentle vibrations when pulled or activated, encouraging the baby to pull the toy for a playful experience. The Koalas left ear doubles up as a teether, helpful in a smooth teething experience. The right ear, with a crinkling effect, enhances the babys sensory perceptions. With a rattle in its belly, this cute Koala enhances the babys play experiences. This Koala toy is irresistible and perfect