Hive Classic Pillbug Expansion

The third expansion, the Pillbug adds a piece that can move itself, or move another piece. 

It can rescue its friendly Queen when threatened! 
It can move a piece that is attacking its Queen!
It can move the enemy Queen into a dangerous spot!
The options are almost endless.

All major competitions are played with all three expansions. Your set is not truly complete without the Pillbug.