Peco offers a transport box double for rail rolling stock, adaptable to N, HO, HOe, HOm and OO scale, under the reference PT61.
You can couple this transport box with one or more others to expand storage space.
You will also find, under reference PT 60 from the same manufacturer, a simple transport box, which can also be coupled.
The PECO manufacturer:
Created in 1946, this manufacturer of model railways offers a wide range of equipment from Z 1/220th scale to 2 (or G) 1/22.5th scale. This company offers all the equipment needed to create a miniature rail network, but also a wide range of products for creating dioramas.