With the opening of the 986-Studio Store on Tindie, you can now order for a few stuffs that I sell:

The WonderLyzer is available, in small quantity: https://www.tindie.com/products/Godzil/wonderlyzer-a-pass-through-tool-for-wonderswan/

You can also buy the spare SD2SNES Rev E2 PCB I have: https://www.tindie.com/products/Godzil/sd2snes-rev-e2-pcb/