Here are the tips for building or making things;
1.To change or adjust the settings of the texture, click on the TEXTURE tab.
2.To adjust the size, hollow(hole) or other stuff like that, click on the OBJECT tab.
3.To insert any animations, click on the CONTENT tab.
4.To type the name of the object you've made or set other general settings, click on the GENERAL tab.
5. Please build/make things at a sandbox or your own land.
6.To link objects, click on the object, and press the ctrl key on your keyboard.Next,right-click on the other object that you want to link and press the L key on your keyboard.Wait until one of the objects turn blue and the rest yellow. That shows that it is already linked.
7. To copy an object, press the SHIFT key and pull the blue arrow up.Repeat it to copy the object again.