These are Lock Seeds from Kamen Rider Gaim. Lemon Energy ELS-01 Kurumi Arms LS-02 (3 pieces) Melon Energy ELS-04 Melon Arms LS-04 (2 pieces) Banana Arms LS-08 Ooo Lock Seed Tajadol Combo I have confirmed that they all work and that the sounds can be heard. The batteries have been removed due to leakage, but I will include some. #Gaim #KamenRiderGaim