his unique 2-in-1 coloring book! One side features 30 color-by-number pictures of adorable sea animals, such as a dolphin and crab playing tennis, an octopus looking for buried treasure, sea lions sunning on a rocky cliff, and many more sea life scenes, with a simple numbered guide on each page. The flip side of the book reveals 30 more cute illustrations that invite children to choose their own colors to complete playful pictures of swimming sea turtles, diving penguins, a paddling platypus, and lots more delightful designs. Kids 4 to 8 will be entertained for hours with these creative coloring activities!