A great baby toy deatures the following: 1. Safe to be explored in the mouth because baby puts everything that they can reach into the mouth. Mouth is the window for baby's exploration. The non-choking design makes sure the product is safe with the baby, prevent from putting too back to cause gag or throwing up. At the same time, it is made of food grade silicone, no matter what your baby has had before using it, food contact testing will make sure there is no potential chemical reaction happened. 2. Good for sense training. Human's brain developes fastest at the age 0-2 years. The best way to help with this development is through sense training, sense of sight, sense of touch, sense of hearing and sense of taste. Reindeer has different textures and different hardness on textures, helps with sense of touch. Natural and bright colors helps with sense of sight. 3. Easy for little ones to hold and easy for adults to wash. Holding on to things and control it is part of motor skills. Through holding and moving, baby earns control over practice, and helps with brain development/hand&mouth co-operation and more. So size is important, because it can let the baby hold onto it and put into diaper bag while travling. At the same time, easy to wash is important, because baby drop toys a lot, and there are so so many occasions for washing. Reindeer features a perfect baby toy for 3, 4,5,6,7,8,9,10-18months babies, especially teething babies.