How does a jolly jumper work?

A Jolly Jumper is a baby bouncer that consists of a metal frame with a fabric seat suspended from springs. The baby sits in the seat and bounces up and down by pushing against the springs with their feet.

The Jolly Jumper works by using the baby's own weight to create a bouncing motion. When the baby pushes down on the springs, the frame of the Jolly Jumper flexes and the seat bounces up. The baby then falls back down and the process repeats itself.

The bouncing motion of the Jolly Jumper has several benefits for babies. It helps them to develop their motor skills, coordination, and balance. It also provides a form of exercise and can help them to relieve gas. In addition, the bouncing motion can be soothing for babies and can help them to fall asleep.

Jolly Jumpers are typically used for babies between the ages of 3 and 9 months. They are not recommended for babies who are not yet able to hold their heads up on their own.

Here are some tips for using a Jolly Jumper safely:

* Make sure that the Jolly Jumper is assembled correctly and that all of the screws are tight.

* Place the Jolly Jumper on a flat, even surface.

* Do not allow your baby to bounce too high.

* Never leave your baby unattended in a Jolly Jumper.

If you have any concerns about using a Jolly Jumper, talk to your doctor.