These wooden screws and nuts offer a gentler introduction to fastening work than their metal counterparts, making them well-suited for younger primary children or as an early step in a sequenced practical life progression. The wood construction keeps them lightweight and easier to grip, while still requiring the wrist rotation and bimanual coordination that make fastening materials so valuable in the 3–6 environment. They're a natural precursor to the stainless steel set and help you build a coherent, scaffolded fastening curriculum on your shelves.