In the video, a group of children are seen wearing hard hats and working together to build a wall. They are using large white blocks to construct the wall, and there are orange sticks placed on the ground in front of them. The children are standing in a line, and they are all focused on the task at hand. The wall they are building appears to be quite tall, and the children are using both their hands and their bodies to place the blocks on top of each other. The hard hats they are wearing are white and have the words "BuildBlock" written on them. The children seem to be enjoying the activity, and they are working together as a team.