Pokemon Center 2018 Rainbow Rocket Campaign Kotoba 5108 Team Magma Pendant Necklace. It was only sold at the Pokemon Centers in Japan, in January, 2018, for a very limited time and in very limited quantity, during the Rainbow Rocket campaign. It says "Team Magma" in Japanese. The necklace is a silver color. The pendant comes on a thin metal chain. The chain length is approximately 15.75" (40cm) long. It is made of silver plated brass.