Let your child’s inner doctor out as he plays with real broken bone x-rays. Each x-ray is printed on a durable plastic that is made to withstand. The sheets can be used on overheads, windows and light tables. Let your kids inner biologist explore for hours on end with these real x-rays! Constructive Playthings is committed to providing safe, compliant products and a healthy, safe working environment worldwide. We require that all products meet all applicable federal regulations, which we review on a continuous basis