Meet the wonderful coloring game - HelloKids: Coloring time from one of the world's largest sites for children and families. Hellokids is the best free coloring book for kids and toddlers. This product turns your mobile device into a wonderful coloring book for kids. Game developers have carefully selected animals on seven topics - just hold down the slider and scroll to the right until you find an interesting topic for yourself - whether it be animals from a farm or from the bottom of the ocean. The results of your work will be saved and you can return to them later.