Straight out of the KNEX vault, fans of all ages will love constructing this classic build using the 744 KNEX pieces included. The set also features a motor and a detailed instruction booklet that offers two additional building ideas including a Swing Ride and Boom Ride; Models can be built one at a time. 3 amazing thrill rides - build the Ferris Wheel, Swing Ride or Boom Ride; The Ferris Wheel stands over 2.5 feet tall; With motorised movement to bring your very own amusement park rides to life; Includes 744 classic KNEX parts and pieces. Size H35.56, W7.62, D47cm. Batteries required: 2 x AA (not included) plus . For ages 9 years and over. WARNING(S): Only for domestic use.