The human heart is a fascinating organ, and now you can learn about it in a fun and exciting hands-on way. Create booklets to place inside the Lapbook folders, and improve retention of the information. Includes a Study Guide that can be used for teaching the topic. This product can stand alone or be used as a supplement to any other curriculum. Depending on the maturity level of the child and the parent involvement, this product could be used with all grade levels. This product comes in a printed and bound book. Just remove the pages, follow the instructions for gluing and folding, and create!