Create your own UEXT cables with this 10 pins IDC connector
The IDC connector are really popular and very handy to connect stuff between boards. You will find them on many board and prototyping material.
Those connector are quite useful to create UEXT connections, an Open-Standard which really ease the prototyping without any soldering. MC Hobby actively support this standard (see the UEXT product range at MCHobby).
Olimex Ltd also support this standard with a wide range of UEXT product and modules.