Shinken Zemi Challenge Constellation Board This is a supplement from Shinken Zemi. It's a very old item. It says it was issued in 1989. Luminous paint is used, and it still glows a little. This is a very old item that was used and stored by someone else. Please purchase with the understanding that it is used. Please refrain from purchasing if you are sensitive to used items. - Model Name: Challenge Constellation Board - Purpose: Constellation observation