Complex sentence: He also has a hobby of collecting plastic bobblehead figurines that he displays on his desk; when Sophia grabs and swallows the head of one, he is seen purchasing a replacement via an online shopping site in a later scene.
Split into simpler sentences: He also has a hobby of collecting plastic bobblehead figurines that he displays on his desk. When Sophia takes and swallows one, he is consequently seen purchasing a new one via an online shopping site in a later scene.