This website is very recommended for parents, as there are different types of color activities for children to do. This is even helpful for teachers who are helping their students stay educated through colors!
https://www.goodstart.org.au/news-and-advice/october-2016/exploring-the-benefits-of-sensory-play
This link is about the meaning of ‘sensory play’ and the benefits behind it. This is very important for parents to learn about, as it can provide positivity pathway for the child’s brain.