The K'NEX Screamin' Serpent Roller Coaster is a vintage electronic building toy from the Originals product line. This roller coaster set is 100% complete with manual, motor, and all pieces needed to construct the Screamin' Serpent. Designed for ages 10 and up, this plastic toy allows for hours of fun and creativity as children construct their own roller coaster rides. The electronic motor adds an exciting element to this classic K'NEX toy, making it a must-have for fans of building toys and roller coasters alike.  Please see photos for details and condition.