Perfect for any adventurous HEXBUG Nano collector, the HEXBUG Nano Zip Line Starter Set unlocks new possibilities and nearly endless heights for the Nano toexplore. Once the set is built, each daredevil Nano bug can bravely scurry up the curvy spiral ramp where it will connect to the zip line with the help of its customfit backpack, and soar down to the lowerlevel culdesac where it preps to do it all over again.