Complex sentence: Parents who feel that Barbie's unrealistic body and lifestyle are a negative influences will find Lammily to be the perfect alternative; on the other hand, children might prefer Barbie simply because she's more extravagant.
Split into simpler sentences: Parents who feel that Barbie's unrealistic body and lifestyle are a negative influences will find Lammily to be the perfect alternative. On the other hand, children might prefer Barbie simply because she's more extravagant.