This is one web you'll want to get caught in with the Web Weaver Roller Coaster Building Set! Use the included parts and pieces to send the air propelled coaster car through horizontal and vertical thrills. Once done building turn off the lights - this coaster glows-in-the-dark! 

• Contains over 430 brightly colored parts and pieces. The rods and connectors can be easily joined up for a coaster that stands 2.5 feet high.
• Unleash your children’s creativity with the K’NEX Web Weaver Coaster Set. It features glow-in-the-dark pieces, allowing builders to play at night and experience a different kind of fun.
• Includes an air-powered car that requires batteries. The battery-powered motor of the coaster lets it travel at record speeds for horizontal and vertical thrills.
• Has step-by-step, color-coded instructions for building a gigantic coaster that will astound your kid. Head over to knex.com to download instructions for a second roller coaster model!
• It’s the connection of STEAM (science, technology, engineering, arts & math) with a child’s natural curiosity and creativity and it powers the fun of each and every K’NEX building set.  Building with K’NEX puts children on a path towards a fundamental understanding of STEAM/STEM subjects.
• K’NEX 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 K’NEX 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.
• Supports key areas of a child’s developmental growth.  As they click the different parts together and discover how the building system works, they’re strengthening hand-eye coordination, fine motor skills, problem-solving skills, spatial awareness and exercising their imagination!
• Ages 9 and Up

Shipping Note: Shipping to Alaska, Hawaii, and PO Boxes is not available for this item

Warranty: 90 Day Woot Limited Warranty