Did you have a radiator in your grade school classroom? Did it hum and murmur and lull you to sleep? Did you melt your crayons on it when the teacher wasn't looking? This painting celebrates your curiosity and classroom disobedience. Acrylic on canvas, this painting measures 16 x 20 x .5 inches. Ready to be hung, sawtooth hanger attached. Free shipping in the continental USA.