The SIDEWINDING SNAKE is a replica of a rattle snake. This is a wind up toy that can be cranked up by pulling back on the snake's head. There is a small wheel under the head that will roll back as you pull on it. The head of the snake will be made of plastic while the remainder of the body's contents would be rubber. These materials allow the toy to be both safe and fun for children. The rubber would have a scaley appearance to enhance the effect. When in movement, the body of the snake would start to move in an S-shaped motion. The jaw of the snake will also begin to chatter when the snake is in motion because a gear would set off the mouth when the wheels begin to move. This toy is intended for children ages 5 and up. This toy presents the physical concepts of potential and kinetic energy.. The cost of construction would be fairly cheap and would cost about 15 dollars in the toy stores.