video+tutorials+--+contraptions

=GEAR BOX=

media type="youtube" key="XAGq6fWims4" width="420" height="315"

=contraption -- gear flipper= media type="youtube" key="blCTYh900JA" width="420" height="315" =contraption -- steerable trike= media type="youtube" key="pM5CR3hJOvs" width="420" height="315" = = =contraption -- top spinner=

media type="youtube" key="5oJeountmDc" width="420" height="315"

=contraption -- top spinner to fan=

media type="youtube" key="M90UyovaIHs" width="420" height="315"

=contraption -- walker=

media type="youtube" key="ky1Si1o_lts" width="420" height="315"