Yes but lots of boxes can now disappear. Also the size you want will be the size you canโt find . Youโll then travel to the BM, buy a box the correct size and return home . โXโ nanoseconds later youโll find the box of the screws you wanted . Quantum entanglement plays a large part in self builds . Also temporal time distortion. I recently posted โ 10 yrs ago โ - but itโs not really 10 years . I believe Stephen hawkings just before his death was going to submit a paper on โ Quantum mechanics on a self build โ . Alas , the paper was never finished .