Upgraded Soil Blocker: 1 soil block mold + 4 pieces 0.82 x 0.43 inch seed blocks + 4 pieces 0.43 x 0.39 inch seed blocks + 4 pieces 0.66 x 0.66 inch seed blocks. Simple and easy to replace seed pins for different situations. The cube-shaped soil block protects the seed roots well, ensuring even filling and complete transplanting. SIMPLE and QUICK: Simply stir and moisten the soil and gently press the soil block to obtain 4 square blocks measuring 2 x 2 inches, suitable for all types of soil, such as potting soil, outdoor plant soil, and seed-starting soil. MONEY SAVING & ENVIRONMENTALLY FRIENDLY: I believe it will save you time and money, and produce no waste or plastic, Let you say goodbye to seed starting containers. Soil blocker for faster germination or higher germination rate.