Soil Block Maker, Manual Seed-Starting Earth Up Modeling Soil Blocker for Potting, Bonsai, Seedling Natural air pruning helps prevent young plants from becoming root-bound, reducing transplant shock. The environmental solution reduces the need for disposable seed starter trays and pods. The tool places a hole in each soil block for easy seed placement and can make four 1-inch blocks or one 3 inch block for both small or large seeds. How to Use: 1.Pack tightly with soil. Press plunger to eject soil block onto the tray. 2.Place seeds in the hole, consulting your seed packet for specific instructions. 3.Place the tray in a sunny area. Water from the roots up. 4.Dont forget the seeds, soil, and tray! Specification Condition: 100% Brand New Material: Plastic Color: Black Yellow Diameter: 12cm Length: 28cm Weight: 280g Applicable Occasion: Gardening Package Contents: 1 x Soil Block Maker Friendly Tips: 1.Please understand there may be a 1-2cm deviation exist. (1inch=2.54cm) 2.Due to the lighting and monitors, there are slight differences between the picture and the real item. Promise If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.