The children used colorful playdough, chalk, and a ruler to create a colorful and precise masterpiece.The art class experimented with different textures by combining clay, chalk, and a ruler in their projects.The students used playdough to sculpt, chalk to color, and a ruler to measure their creations in art class.The teacher handed out playdough, chalk, and rulers for the students to use in their art projects.The students used playdough to mold, chalk to sketch, and rulers to create straight lines in their artwork.