This robotic gadget is capable of shooting propellers over 30 feet in the air! Pull the zip-cord stick to release, the faster you pull, the higher they’ll go. The excitement doesn’t stop there, the VEX Robotics Zip Flyer can be built for both hand-held and tabletop action. Two ways to build, two ways to launch. Once it’s up and running, this model is fun for hours. VEX Robotics is dedicated to promoting the rewarding and exciting hands-on learning that comes from its STEM-based construction kits. Challenge yourself and your friends, how far can you make your propellers travel? Includes: at least 85 pieces that easily snap together 38 paged Manual For Ages: 8-14 years