C.Y. Ning's Delta Tank TLT-1. from Hong Kong. information of the parts. track & wheels : tamiya educational construction series #100. use a long & a short track from the set to make one delta track. wheels adaptation : for the upper wheel, use tlt-1 big wheel option parts. original is a 1:10 wheel. modified and change it as a hexagon adaptator. knuckle & shaft : extra long tlt-1 knuckle from tobee option parts. steering block : 1:10 ep (lc lab - hong kong brand) or use abc options. metal frame at the track wheel : tamiya 4wd toys parts #15167 track metal frame. it's kind of soft. use 2mm screws/screw mounts & aluminum rings to reinforce the strength.