1, with bricks or stones: bricks or stones can be cut into corresponding sizes and used as a 2 kg rice brick mold.

2. Use wooden boards: You can cut the wooden boards into corresponding sizes, nail battens on the wooden boards, and make a frame that can hold soil.

3. Use a plastic bag: You can fill the plastic bag with soil, knead it into the corresponding size and shape by hand, and then flip the plastic bag up and down to take out the soil, and you will get the mold of 2 kg rice brick.