Ladbrooke Stand-up Soil Blocker - Multi 35Stand up Soil Blocker If you need a reliable and efficient way to create small soil blocks for your crops, the Ladbrooke Soil Blockers Multi 35 is the answer. With a perfect fit to our heavy duty 1020 trays, this quality blocker produces three cycles of 105 small, 1 1 8" x 1 1 8" x 1 1 8" soil blocks, ideal for quick bearing plants that don't require too much soil to propagate. Whether you're growing lettuces, herbs, onions, early mustards, kohlrabi,