Protector of the universe, Mecha Strike is a mighty coaster ready for any builder; You can with over 575 KNEX parts and pieces including rods, connectors, and track to create this motorised snake theme roller coaster with over 18 feet of track. For more fun, download instructions for a second unique roller coaster build. Models can be built one at a time. Motorised chain lift. Coaster stands over 2 feet high. Blue coaster car. Size H38.1, W7.62, D40.64cm. For ages 9 years and over. WARNING(S): Not suitable for children under 3 years old. Only for domestic use. To be used under the direct supervision of an adult.