This includes two expansions for GIPF and one for ZERTZ.Contents: 6 DVONN-potentials for each player 6 ZERTZ-potentials for each player 12 ZERTZ rings See the project GIPF wiki page for more details on the potentials' powers.This expansion can integrate DVONN and ZERTZ with the original GIPF game. Additionally, it contains ring pieces to extend the ZERTZ board into new configurations.The ZERTZ-potential has the power to jump other pieces. The DVONN-potential has the power to land on top of other pieces, changing their color.This is part of project GIPF. - BoardGameGeek