A multitude of gear, trucks, construction sites

With children from 3 years to learn this allows full vocabulary. It is better to accompany their children to learn the names of the machines and make comments. Furthermore, this allows they stick the stickers on the right page. There are actually a lot of stickers and you do not always know where to stick them. Moreover, this activity please so my children that it is better that we prevent that stick stickers on one page per day if they want to go on for hours and hours ...