Hot Air Balloon Book

With detailed, step-by-step instructions, this richly illustrated science project book shows how to construct and safely launch homemade balloons. Some designs, including the Solar Tetroon or the Giant Solar Sausage, are made from garbage bags and tape, while others, such as the Khom Loi, are created from tissue paper and wire; yet all of the projects use inexpensive, readily available materials a...