いつかの ... => Previously N4
Time
べつだんの => particular; special N2
Description
からつくる/でつくる => made from; made with N4
ひとつ…できない => cannot do the bigger things N3
Ability
ついでに => while, incidentally, at the same time, on the way ~ N3
たものではない => Impossible N2
Evaluate
に[限「かぎ」]った[事「こと」]ではない => It's not limited to A, it's not only A N1
Degree/ Level/Amount
つもりで => with the intention of doing ~ N3
Base, base
つもりで => with the intention of doing ~ N3
Conditions (general conditions)
つもりではない => have no intention to / didn't mean to ~ N3
Evaluate
のでは => if N3
Condition (hypothetical condition)
ついでに => Since A happened/is going to happen, B N3
Information, Report