If you want to build a board from scratch, then you will need these components: Deck (decks come with free plain grip), Custom griptape (if you want to upgrade from plain grip), Trucks, Bolts, Wheels, and Bearings. Extras you might consider include Riser Pads, Rails, Skate Tools, and Safety gear. These are not essential for building your custom board and are added extras. If you already have some parts, just select the parts you need.