Rear cushion for Roller coaster

The pivotable Roller coaster accessory allow to carry up to 3 children at the back of the bike. It encloses the children for a safe and fun journey.
This article is the rear cushion. It allows kids to sit comfortably on the back of the pivotable roller coaster.
It is not mandatory to buy with a Roller coaster, for smaller children you can fix a baby sit on the wooden plank for the back, and on the luggage rack for the front section.