Does the picture book expand or confirm traditional gender norms?

Title: Søppelmysteriet [The garbage mystery]

Neither challenges nor confirms traditional gender norms

Title: Odd er et egg [Odd is an egg]

Challenges the traditional gender norms

Title: Rim med familien op og ned – synonymer og antonymer [Rhyming with the upside down family − synonyms and antonyms]

Gender is presented in a diversified manner

Title: Den Hemmelige Pige [The secret girl]

Gender is presented traditionally/normatively

Title: Lille Ting og Tung og Trang [Little Thing and Heavy and Tall]

Confirms traditional gender norms

Title: Barbie-Nils og pistol-problemet [Barbie-Nils and the pistol problem]

Neither challenges nor confirms traditional gender norms