The Tobu 100 series is a limited express train that appeared in 1990 and is nicknamed "Spacia".
Renewal work began in 2011, and three of them have been changed to "Iki" colors.
- Reproduce the exterior painting that adopted a color based on light blue
- Side windows are represented by smoked glass
- Seats of general cars are reproduced with blue color seats
- The area around the counter is ivory and is reproduced by painting the blue sheet separately.
- Headlights and taillights are equipped with a constantly lit board
- Headlights are lit by light bulb color LED, tail lights are lit by red LED
- Car number display printed
- Green car mark, non-smoking car mark, car number are selectable and transfer sheet is attached
- Powered with flywheel
- New current collection system, silver wheels adopted
- M-13 motor adopted
- Mini curve rail can be run