This is prohibited by US and international regulations.
LVYUAN TYJP-3000 3000W Step-Up Transformer for Using Overseas Electrical
Bing rare transformer transformer in original box 20 110 volt 3.7 amp. AC
1500VA Transformer Step-Up/Step-Down Transformer 100V to 220V Conversion
3000VA Transformer Step-Up/Step-Down Transformer 100V/200V Conversion Automatic
HORNBY R8250 CONTROLLER TRANSFORMER NOT INCLUDED NO TRANSFORMER PLEASE READ
Vintage Trix Power Supply Unit 492/240 Transformer + 1 other transformer
