Do A Dot Art Coloring Books for Kids &ndash; Rainbow Trail Activity Book for Girls, Boys and Toddlers Curious little ones want to discover whats over the rainbow! In this coloring book youll explore color and whimsy with magical unicorns, mermaids, castles, and much more! Big, bold artwork makes it easy for children to feel successful when coloring in all of our fun art activity books. Designed to cultivate the budding artist in your little one. You will notice our graphics have been designed to work with the large sponge tips of Do A Dot Art! Markers, while at the same time not deciphering where each dot goes, so your little one has the joy of turning each page into their own work of art. Printed on heavy card stock paper to prevent bleeding. Perforated for easy removal and display.