Kids Artists: Op art in complementary colours--Valentine's Day art? I like this for grade instead of the shapes we did this year
Pastel art with a watercolour and salt wash, the ideas are endless. Also this site has lots of fun classroom art ideas. Do this with the Native American legend book "Thirteen Moons on a Turtle's Back".
Kids Art Lesson: How to Draw a Sea Turtle
Art Lesson: How to draw a sea turtle step by step. The finished drawing of the sea turtle.
Kandinsky esque Art Projects for kids - Pattern cat with Markers