Biscuit building block and packaging box thereof

The utility model discloses a biscuit building block and a packing box thereof, which belong to the technical field of children food, and comprise a first biscuit body and a second biscuit body, the first biscuit body and the second biscuit body are mutually independent, and the edges of the first biscuit body and the second biscuit body are respectively provided with an outer slot. The outer wall of the first biscuit body and the outer wall of the second biscuit body are respectively provided with a fracture groove, the middle of the first biscuit body is provided with an inner inserting groove, the packaging box comprises an inner box body, biscuit building blocks are placed in the inner box body, the inner box body is provided with a plurality of placing grooves, the first biscuit body and the second biscuit body are movably clamped in the placing grooves, and the inner box body is slidably clamped in the outer box body. And a special key is adhered to the inner wall of the outer box body. The biscuits can