Gimmick
Spielerei / Gag
Example:
They give away free gifts with children's meals as asales/marketing gimmick
loss-leader
Lockvogelangebot
Example:
An article that is sold cheaply in order to attract the public and make them buy other, more expensive, things
Sample
Muster / Probestück
Example:
For marketing reasons employees gave away free samples of shampoo
benefit
Vorteil / Nutzen / Gewinn
Description:
A helpful or good effect, or something intended to help
Example:
"The discovery of oil brought many benefits to the town."
maternity
Mutterschaft
Description:
The state of being a mother
annual
Jährlich / einmal im Jahr
Description:
Happening once every year
Relating to a period of one year
tripped
Stolpern / Straucheln
Example:
He tripped while walking down the stairs and broke his arm.
fell over
Umgefallen / Hingefallen
Description / Example 1:
If someone falls over, they fall to the ground
"She tripped and fell over."
Description / Example 2:
If something falls over, it falls onto its side
"If you make the cake too high, it'll fall over."