K'NEX Amazin' 8 Roller Coaster Building Set(Discontinued by manufacturer) Build your own amusement park ride|Includes 448 parts|Motorized for exciting performance|For ages 7+|Requires 2 "AA" batteries, not included Build your own amusement park ride|Includes 448 parts|Motorized for exciting performance|For ages 7+|Requires 2 "AA" batteries, not included Build your own amusement park ride|Includes 448 parts|Motorized for exciting performance|For ages 7+|Requires 2 "AA" batteries, not included Build your own amusement park ride Includes 448 parts Motorized for exciting performance For ages 7+ Requires 2 "AA" batteries (Sold Separately)