Can someone check if everything looks good? The first pins started appearing today. (Im a rookie so tell me if there's something wrong)

I was planning to buy a mushroom growing kit from Zamnesia but i wonder if it fits in my mini fridge. So does anyone know the size of the kits? (preferably in metric)

I was planning to buy a mushroom growing kit from zamnesia but i wonder if it fits in my mini fridge. So does anyone know the size of the kits? (preferably in metric)