 Souvenirs 2 (Town Hall Key), 3 (Key #2), 7 (Clean up game medal), and Souvenirs 18 to 21 (Arcade items players can win for free) disappear when the new generation appears.These are free items users can turn back on if they saved the passwords that turned them on in the first place.Souvenirs that users pay for with Gotchi Points (The Trip souvenirs) or donate points for (Ring, Cape and Crown from the Tamagotchi King) do not disappear.