Hi there I have got a book on Geishas and will give you hand by listing some of the things you may need (with comprimises of course
)
Tabi - socks with big toe separated
Obi- Sash worn aroung the kimono
Obi-Jime Thin braid worn around the Obi
Geta- Wooden clogs worn by Geisha
Okobo- High heeled clogs worn by apprentice Geisha (Maiko)
Kanzashi- Hair pins worn by Geisha
Katsura- Wig (could come in handy if you haven't got long hair)
This is a rough outline of things you could wear making comprise during the way with the style of the kimono could be scaled down it to something simple but just as striking the makeup I suggest you go to the nearest cosmetics store and ask for the white fondation, red lipstick (the less glossy lookinhg the better) black eyeliner and purple eye shadow to be but only in a line (like the eyeliner) above the eye
Hope this helps