My favouriteWas after seeing an advert for a stair climbing R/C car, i built my own using the lego technics 'control centre' kit, and all the stuff i had from other kits. I swear to god, low ratio worm gear drives are LETHAL on fingers, especially at a very young age.
(
Tikoloshe,
Sun 11 Mar 2007, 1:31,
archived)