Whats This? Tokyo Sakura Tram?

Available 6th April from:

Station manager office of 16 Toei subway stations - (Gotanda, Shimbashi, Asakusa Bridge, Hibiya, Suidobashi, Sugamo, Takashimadaira, Ichigaya, Bakuro Yokoyama, Motoyawata, Ueno Okachimachi, Monzennakacho, Daimon (Oedo Line), Aoyama 1-chome, Tokyo Metropolitan Government, Nerima)

Tokyo Sakura Tram (Toden Arakawa Line) - Arakawa Train Office & Minowabashi Omoide Museum

info from Platetsu.com