nGT_018 ナノゲージ トレインコレクション 923形新幹線電気軌道総合試験車（ドクターイエロー）
Nanoblock is a micro-sized building block system with is smallest parts being a mere 4x4x5mm. It is a simulating hobby material for everyone, but especially for grown-ups who wish to be absorbed in making projects in great deal.