Tea Bag Rockets

 This was such easy fun!  I got the idea from Toad Haven.

You open the tea bag and empty out the tea (we made tea with ours).

 You stand the bag up on a flame proof surface and light the top.

The bag burns down and then the "ghost" of the bag flies up!

Explanation from Science Wizards: As the teabag burns it creates an up draft of rising air. Cooler air moves in to fill the space left (a convection current), lifting the cylinder off the ground when it has burnt small enough.