You can use cake icing to spread around your comet to create a shell, you can then put this back in the freezer to harden. The icing acts as a shell just like the surface of a comet!
First place your cookies into one of your sealable
Crush the cookies using your hand or a rolling pin.
Now for the cold part, time to put on your rubber
gloves! Place your ice cream into your other food bag. This is the main body of the comet and it represents ice and dirt.
Pour in the rest of the ingredients, the peanuts (they represent rocks found in comets), the coconut flakes (this represents Carbon Dioxide) and the crushed cookies (which represent dust also found in a comet).
Mix this all together by squeezing and moulding the comets
Take out your comet and place on a plate, and enjoy!