Here's an easy way to entertain your little one! Offer him/her to play a game, beneficial for learning colors and their shades. You can play the at home, on trips, with friends, etc. Just choose a color and ask your little one to find things of this color or its shades. Help your kid if needed and praise him/her!
Make photos with your little one, upload to the App. Write whether he/she liked the idea.