The FAO Schwarz Build-A-Coaster Construction Set is a 736 piece building toy that allows kids (and adults!) to construct their own roller coaster model. With an electronic, battery-powered theme, this set is designed for ages 8 and up. The set includes all the necessary pieces to create a fun and exciting roller coaster experience, making it the perfect toy for young engineers looking to unleash their creativity and problem-solving skills. Received as open box and with only the motor opened. Never used. No instructions included.