If you're looking for some creative inspiration, look no further than the brilliant Tate Kids which is jam-packed with bright ideas for budding creatives broken into Make, Explore and Games & Quizzes.
Go on a Colour Walk, explore Pop Art or Surrealism, have a go at Street Art on your desktop, make a unicorn puppet, paint like Turner or carve a soap sculpture.
It's an excellent resource whatever your stage and age.
https://www.tate.org.uk/kids