This photo reminds me of Dad’s excitement at having a camera with a self timer. It was a great little Zeiss one and he would set it up on something then arrange us all. It always took more than one go to get us all in the frame. Once we were suitably placed he’d set the self timer going then race back into his position. We’d all pose with natural, not-so-natural then frozen smiles on our faces as we waited for the seemingly endless seconds to pass before the shutter went off.
It was important to get things just right because, unlike now when you can take half a dozen and pick out the best, in the 1960s photos weren’t cheap to get developed so the one you took was the one you kept.