[Help Thread] idk what to say

[ඞ The Cuber Merchant ඞ]

So I'm trying to ask my parents for a new 5x5 (I don't have money lol) but they say I have "too much cubes" and "it's all the same" so what do I really say? (I have four 3x3's, a 2x2, and a 4x4)