Welcome to the Candy Crush Saga Community
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First of all @silverfox1751 well done for attaching your screenshot. Before you start a level you get the choice of choosing if you want to start with any boosters that you have. Not many levels have the option to use a coconut wheel, but most have the striped/wrapped candies. If you do want to use them you need to tick which ones as shown below, is that what you have been doing. The boosters you have can only be chosen before you start playing, they can't be picked and used once you are playing the level.
You are welcome @silverfox1751 If you have any more questions, just ask the Community, there is always someone able/willing to answer. As a little tip if you want to reply to someone in particular, you can either tap the 'reply' at the bottom of the post or tag them. To tag them you need to put an @ first then type their name as shown, it then comes up in green like yours above, so you tap on that. Once you've written your comment tap the Post Comment and that person then receives an email notification letting them know they have been sent a message. If you don't do either of those the person will only know by reading through many posts, so they might miss it. Good luck with you game and try and get yourself some more free boosters to stock up.