 These pins attach to the top slot of the Tamagotchi P's, allowing to access through new characters and content.Tama Deco Pieces include Love & Melody, Tama-Star Circus, Royal, Melody Land, Fairy, Berry Sweets, Baby, Aikatsu!, Dream Coffret, Dream to Change, Sanrio, CIÀO, Miracrise, Disney, 17th Anniversary, and Nameko Nnf Nnf.The successor to the Tamagotchi P's, the Tamagotchi 4U (4U stands for "Utility.