These OR and AND gates can be used to teach what OR and AND gates do. They can be built one at a time with a standard set.
https://jessecrossen.github.io/ttsim/#s=13,17&z=32&cc=6&cr=8&t=3&sp=1&sc=0&b=data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAASCAYAAACAa1QyAAABJ0lEQVQ4T42TQU7EMAxFvzesZ8kyOQMHaDRwDaSpyj2aOUhFKq4Boy5ZjbhBumSFuABj5HZctUmEsFSl/fWLv92GhmG4HA4HyBVCgHMOwzBAI9W99yCFJCnGEdaaBdCbrhvRNLNegCLRicB7hrWWY4xEIDDm5wyShJpOeOZ9Vkl1AZdKVVVNwCPu8YK3DZjqfd/z1JNA0/ZHAtrJxTZW+gZSC9qDUtqjcgsU3A+trWmibjABIBzBMGFt77qVAkul6/TU+lLJOUfMDCKCrGmoLmsIIRlEPoJMyaf3X8h7f0lz27adPwGAuq4zv2SMyaA4Rlhj0Y0dGtPkPabQ+q8uuZX3xUoKliA5PkVIkgUshZw3ApifzB3Ouy/cfD/gc/eK248R739M8hdBddSwyDzAOwAAAABJRU5ErkJggg==