0 = Eraser Tool 1-6 = Build Tool Space = Build/Erase W = Move Forward S = Move Backward A = Move Left D = Move Right E = Move Up Q = Move Down
Tips: Make your builds hollow, as this does not use as many blocks. Do to scratch's clone limit, you can only have 300 blocks placed. If you don't want to deal with this, play in turbowarp at this link: https://turbowarp.org/626235059 (no accounts required)