1987 - Backyard Scientist Series One 25 Experiments That Kids Can Perform Using Things Found Around the House [Ages 4-12] (Paperback) ISBN-13: 9780961866303 ISBN-10: 0961866306 Genre: Children's Books 6 |
1987 - Backyard Scientist Series One 25 Experiments That Kids Can Perform Using Things Found Around the House [Ages 4-12] (Paperback) ISBN-13: 9780961866303 ISBN-10: 0961866306 Genre: Children's Books 6 |