Knex Typhoon Frenzy Coaster

BUILD A 19FT LONG ROLLERCOASTER: With over 640 pieces including rods, connectors, 19 ft of track, motorised power and a silver coaster car, this awesome building set lets you create a cyclone of twisting roller coaster fun in your living room EASY TO BUILD 2-IN-1 MODEL: Discover non-stop action with this toy building set and download the exclusive instructions to build an incredible second model, the Tsunami Surge Coaster. With 2 models to build, kids and adults alike will enjoy hours of fun EDUCATIONAL TOY: This construction set helps strengthen fine motor skills, logical thinking and problem solving. Perfect for capturing kids� interest in basic construction, science and design, while promoting concentration and logical thinking