1988 - Easy to Make Water Toys That Really Work (Paperback) → Hardcover ISBN-13: 9780671662592 ISBN-10: 0671662597 Genres: Children's Books, Crafts, Hobbies & Home ? 1983 - Easytomake Spaceships That Really Fly (Hardcover) → Paperback ISBN-13: 9780132231800 ISBN-10: 0132231808 Genres: Children's Books, Science & Math ? Action Contraptions Easytomake Toys That Really Move (Other) ISBN-13: 9780130033529 ISBN-10: 0130033529 Genres: Children's Books, Crafts, Hobbies & Home ? Easytomake Spaceships That Really Fly (Paperback) → Hardcover ISBN-13: 9780132231992 ISBN-10: 0132231999 Genre: Children's Books ? Space Crafting Invent Your Own Flying Spaceships (Hardcover) → Hardcover ISBN-13: 9780671663001 ISBN-10: 0671663003 Genres: Children's Books, Science & Math ? |