Upon discovering that it has been snowing all night, David, Jessica, and Newton decide that making a sleigh will be their project of the day. Come along for a ride as Newton pulls them through a winter wonderland. A history of skis and sleighs, a full-size sleigh blueprint, and a detailed, step-by-step diagram on building an ice-cube sleigh from household items are included. Please let the Professor know if you would like to read this book.