The Trolls size-adjustable roller skates from Crazy Skates are an officially licensed TROLLS product with characters from the new Trolls World Tour movie! Choose a skate featuring your favorite Troll, either Poppy or Barb, each with their own unique color scheme, Trolls logo, removable Pom-Pom and colorful Troll head on the tongue with their signature Crazy Troll hair! Your kids will love bringing the fun of the Trolls movie along on their next skating adventure! These roller skates feature an internal size adjustment system that lets you adjust the size across a range of 4 shoe sizes to find the perfect, personalized fit for your child. They also feature indoor\/outdoor urethane wheels, ABEC 5 bearings, speed hubs and alloy trucks. The 2 outer facing wheels on each boot are filled with motion activated LEDs that light-up brightly as the wheel spins. Finally, the boot was designed to provide both support and comfort for young skaters, keeping their feet happy and comfortable on even the longest skate adventure.