Try an Hour of Code activity.
https://code.org/hourofcode/overview
Make an Animation!!! Create a scene (select a background, add stickers, etc) then right click the slide and select duplicate. Move the characters a little, repeat and keep going!!!
https://www.abcya.com/games/animate
Sesame Street offers a bunch of fun for the littles :)
https://www.sesamestreet.org/home
Pixel Art is a fun way to keep that creativity flowing.
https://www.abcya.com/games/pixel_art
National Geographic Kids offers a wide range of things for the kids to see and do!!!
https://kids.nationalgeographic.com/
Got 1,000 questions? See How Stuff Works.
https://www.howstuffworks.com/