In our factory, we call this item LED lantern sand timer. Meanwhile, some clients also call it hourglass Lamp or light lamp hourglass. There is a cap on each side and connected by handles, and both of the material is ABS. As a result, we group it into plastic sand timer category.
The LED has different colors, as well as the one that can change colors. You can see the images that the bottom light is always on while the top one is off, even you flip it over.
If you buy this sand timer, you don’t worry about it will break. It’s an excellent gift for kids. You can find that in our factory if we said it is a sand timer for kids, we will think about the safety problem first.