Petit Block “Shinkansen Series 923” — also known as Doctor Yellow — is a vibrant and highly recognizable mini building kit from Daiso Japan. This special diagnostic Shinkansen is famous for its bright yellow body and for testing tracks, signals, and overhead lines across Japan’s high-speed railway network. The micro blocks capture its distinctive color scheme, sleek geometry, and iconic presence, making it a must-have for Shinkansen fans and train collectors.

Part of the Work Vehicles Series, this model offers smooth assembly and exceptional display value. Its included base allows Doctor Yellow to stand out as a centerpiece in any miniature railway collection. Suitable for ages 12+.