Try stepping back when your kids complain about feeling bored. This will empower them to think for themselves and learn to be resilient. It will also encourage them to find their own way out of the boredom, and the problem-solving process helps them feel good about themselves.
Theres evidence that children's imaginary friends are more widespread than ever. Find out why its normal, how make believe can affect a childs development, adjusting to your childs new friend, when should you be worried and how long will their imaginary friend be around for.