Disney Trolls Digital Kids Fitness Watch TRT4098 Has a rectangular slimline case crafted from plastic, this Disney watch is sturdy and ideal for use as a kids’ fitness device. Measuring 17mm, it sits nicely on smaller wrists. With a digital display, the Trolls kids fitness tracker provides a simple, clear way to help children both tell the time and keep track of their exercise goals. The strap is plastic and is sturdy and secure, making it perfect to stand up to the rough and tumble of kids’ life with its tang buckle. With a cool Trolls design, kids will love the colourful bracelet of this timepiece. With a digital quartz movement and digital display, the Trolls fitness tracker is capable of telling the time and keeping track of steps as an exercise tool.