I used the hot glue gun on low to attach the smaller bits of felt. (powerfulmothering.com)
This is such a simple DIY that kids can do it largely on their own (with hot glue gun help). (viewsfromastepstool.com)
A dot of glue in the center of each stick should suffice, but you will have to let them dry for a little bit (at least 30 minutes). (happyhourprojects.com)