The video shows a large structure made of interlocking plastic blocks in various colors. The blocks are arranged in a pattern that creates a three-dimensional structure. The camera pans around the structure, showing it from different angles. The structure appears to be a playhouse or fort, with an opening that resembles a doorway. The colors of the blocks include red, blue, green, and yellow. The structure is located indoors, and there are other toys visible in the background.