There could be several possible reasons why your carrot ball mixture might not have the stickiness and consistency that you would want it to have.  You might not have added enough honey or dates, or the mixture may have picked up some extra moisture from the other ingredients or during the mixing process.  Simply popping the mixture into the refrigerator for an hour or so can help firm it up. If that doesn’t seem to work, you can add in some more shredded coconut, coconut flour, or any other dry ingredients to reduce the moisture content in the balls.