• K\'Nex Thrill Rides, T-Rex Fury Roller Coaster Building Set. • It\'s the connection of STEAM (Science, Technology, Engineering, Arts and Math) with a child\'s curiosity and creativity; it powers the fun of each K\'nex set! • Building with K\'nex aids the growth of key developmental abilities like fine motor skills, hand-eye coordination and dexterity. Build it! And Ride it! With the K\'nex Thrill Rides T-Rex Fury Roller Coaster with the K\'nex Ride It! App. Experience K\'nex Thrill Rides in a whole new way with this dinosaur themed coaster perfect for boys or girls. Includes 473 K\'nex parts and pieces including coaster track, roller coaster car, motor and themed graphics to create a coaster over 2ft high. A battery-powered motor moves the coaster to the top of the hill, before it zooms through loops and curves. Additional details: Packaging size: 404mm x 384mm x 80mm Recommended age: 9-14 Batteries included: No Batteries required: 2x AA