Build the tallest K'NEX Roller Coaster - over 7 feet high</br>Includes battery-powered blaster motor and sleek red coaster car</br>Includes 797 K'NEX pieces and coaster track</br>Set can also be used to build an alternate Roller Coaster model</br>Recommended for ages 9+</br></br>Product Description</br></br>Reach for the sky with the Sky Sprinter Roller Coaster Building Set - our tallest Roller Coaster ever! This set includes 797 K'NEX pieces including classic rods?? classic connectors?? and track. Use the included blaster motor to shoot the red coaster car to a height of seven feet - then wat"it wind its way down the track t