This model uses the Bambu lab A1 mini. It is a keychain and a decision making toy. It is printed in 3 models. After printing, the other two small brands are placed in the jack at the back of the doll's neck. Play: If you're wondering whether to buy a game console or a girlfriend? Then shake the toy and a sign will come out on his head saying "O" for purchase and "X" for not. I wish you have a good time; P