Set comes with 8550 classic K'NEX pieces to build your very own coaster.*Set includes a battery-powered motor that gives life to the K'NEX pieces. Requires 2 "AA" batteries, not included.*Set comes with an easy-to-follow instruction manual. Ideal for kids 9 and up.*STEAMagination - It's the connection of STEAM (science, technology, engineering, arts, & math) with a child's curiosity and creativity. It powers the fun of each K'NEX set.*K'NEX Thrill Rides allows each child to build bigger models that move to create an amusement park right in their home!
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Item# : SPM14737858032
Model # : 89790