The touch and play music is evaluative and helps baby to grow up from its first months of life. It's both a friend to cuddle and a plush which stimulates its senses of touch and hearing. It develops as well Its fine motor skills and allows baby to understand the cause and effect relationship. When baby touches both sensors at the same time, a Musical note is activated. If 2 or more players, each of them must touch one plush sensor and tap between themselves on their skin to activate a Musical note. The technology works with skin contact which serves as a conductor between both plush sensors.