You can now buy a DIY electric surfboard kit from MHZ Watercraft in Germany. You will find their DIY electric surfboard parts for sale online.
MHZ is known since the Eighties for their boat model construction parts, but since a few years they are also supporting well known electric surfboard companies such like Lampuga and others who do not want to be named.
We finally have a DIY Electric Hydrofoil Forum for efoil.builders. The interest in electric Foils is increasing on a daily base und this forum will help all, who want to build their own electric Hydrofoil.