Two children, a boy and a girl, are lying on their backs on a wooden floor. The boy is wearing a white t-shirt and beige striped shorts and is lying on a pink yoga mat. The girl is wearing a long-sleeved white and gray shirt with pink polka dot underwear and one white sock. They are both alternately raising their arms, one at a time, while lying on their backs. A gray stand is nearby, along with some black shoes.