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Tanglebots Notes
ask for more info (family ages and backgrounds)
prearrange groups to some extent
food was £6 per head
(colour) printed tutorial was good
need to rehearse construction of pi, explorer hat, screens to get the right order
test all screen cables (one was defective)
touchscreens were fiddly, but good as disappeared into the mess (rather than monolithic black things)
croc clips were important to avoid soldering
first aid kit needed