A line of toys based on a popular children's TV series is an example of

a. Core products

b. Ancillary products

c. Sponsored products

d. Endorsed products

Ancillary products.

Explanation:

An ancillary product is a product that is acquired as a bonus or add-on purchase when buying another product.

Once watching the TV series, kids everywhere want to join their lives, thus buying the toys.

Answer: B) Ancillary products

Explanation:

A line of toys based on a popular children's TV series is an example of ancillary product.

Ancillary product is a concept used to describe an extra purchase we get when buying our main product of interest. In this case we could see the mutual ancillary both for the toys company and the TV shows as this kind of promotion would be benefitial to both parties.