Model rockets and kids

Here are some rocket launchers

Here are three sizes of model rockets, with a close up of the tiny one

Here is a middle sized and a large size model rocket

With several rockets and different motors, it is handy to have a box for the motors and other stuff.
Here is the contents of the box
    top layer
    middle layer
    lower layer

Sometimes a clothespin is handy to adjust the rocket's position on the launch tower