This is a fantastic pitcure of the one and only acceptable time machine space ship. The TARDIS!
Doctor Who Tardis by PenelopeLovePrints - Digital watercolor artworks that are playful yet detailed.
Hey, I found this really awesome Etsy listing at https://www.etsy.com/ca/listing/247547368/tardis-key-doctor-who-whovian-necklace
Something old, something new, something borrowed, something blue. #TARDIS
Time and Relative Dimensions in the Bottom of the Sea