K'NEX Thrill Rides - 3-in-1 Classic Amusement Park Building Set THEME PARK FUN  Operate an amusement park right in your home as you build thrilling rides with KNEX 3-in-1 Classic Amusement Park Building Set. This building set consists of colorful parts and pieces that allow you and your children to create 3 different models, one at a time. Create a majestic Ferris wheel that stands almost 3 feet tall, a heart-pounding boom ride, or an exciting swing ride with this versatile set. MOTORIZED CONSTRUCTION TOY  The KNEX 3-in-1 Classic Amusement Park Building Set features a battery-powered motor that gives life to connected KNEX rods and pieces to create a model ride. Each thrilling ride can perform a particular movement. It can either spin or rotate in an authentic, rail-driven motion, just like a real amusement park ride! CLASSIC PIECES  Enjoy hours of interactive fun with KNEX. This building set is one of the first KNEX systems that was designed and built by Joel Glickman, the inventor of KNEX. It contains 744 classic parts and pieces, including rods and connectors, that form 3 different amusement park rides. These durable plastic pieces can be easily attached to one another and are simple to reassemble as well. REAL MOVING PARTS  With KNEX toys, builders can create unique structures that actually move. Builders can go as far as their imagination will take them, bringing an amusement park and thrilling rides to life. Explore the endless possibilities with the 3-in-1 Classic Amusement Park Building Set! Ideal for ages 7 and up. THRILL OF THE BUILD: KNEX Thrill Rides allows each child to build bigger models that move to create an amusement park right in their home! Using the included parts and pieces, each KNEX Thrill Rides building set you can build a massive roller coaster, a majestic spinning Ferris Wheel and more  the heart pounding fun is only limited by your imagination. Packaging may vary.