Make sure that, you Clash of clans Account must need to be blind/connect with supercell ID. To ensure that your Clash of Clans account is linked to a Supercell Account, go to the game’s settings and look for the Supercell option. If it shows “Connected,” your account is linked to Supercell. If it doesn’t, your account isn’t linked yet. if your selected item contain (⚡) this emoji that mean you will recive this item intantly once you made phurses.