You need 96 magnets total. I recommend 48 each of 4x1 N35 and 4x2 N35.
You can try Aliexpress or Ebay but you run a very high probability of getting undersized magnets (4x1.7 instead of 4x2 for example).
"Absolutely identical" is possibly overstating a bit. Basically identical is more like it. Are they similar to a standard shopify store? Dunno. But....based on the fact that they copied the store name, the URL, and tried to hide their location ANNNNND their layout/look very strongly...
It's more than that. There are multiple reports from people saying they didn't receive their order with no customer service help.
The fact that their site was intentionally created to be misleading - copying the look, layout, and name of SCS and with a URL to hide their true location - makes...
First ones, yes. Second ones you will likely find to be too strong since they're 4x1.5mm instead of 4x1mm. Usable - that's what I put in my first one and it was still good - but too strong.
No. Edges and corners only.
Watch TCKyewbs video on how to magnetize a Wuque. That will teach you the technique. If you follow that, you won't mess up.
The only changes to make are to use 4x1 N35s when pairing to edge pieces together and then 4x2 N35 when pairing an edge and a corner.
It's easy to do and very little...