Basic Block - 7400 Quad 2-input NAND & 7432 Quad 2-input OR Scale 1:1 Where to buy it? Coming soon on Tindie Licence Basic Block - 7400 Quad 2-input NAND & 7432 Quad 2-input OR are licenced under Creative Commons Attribution and Share Alike 4.0 International by J.Rodrigo.