Mario Blocks Made Out Of Crafts

[Chutzpar]

Honestly, I'll sound like I'm fucking with you, but the only answer I can give is "whatever's easiest/cheapest for you"
with something as simple as a cube it's not like you have to worry about what's practical. You can use... near enough any material you like.

I'm still just
boggling at the fact you'd even have to ask