In the video, two young boys are playing with building blocks in a house. The boy on the left is wearing an orange shirt and black shorts, while the boy on the right is wearing a white shirt with blue sleeves and black shorts. They are standing in a hallway with a staircase on the left side. The floor is covered with colorful building blocks, and there is a painting hanging on the wall. The boy on the left is throwing a block at the boy on the right, who is trying to dodge it. The boy on the right is also throwing a block at the boy on the left. They seem to be having fun playing together.