Electronic brick - Protoshield kit

This is a Protoshield kit with the same connector as Electronic Brick, you can solder something onto this and use it as a regular Electronic Brick.

You will also need this cable to connect it to Sensor shield.

https://www.seeedstudio.com/Electronic-brick--Fully-buckled-4-wire-cable-%285-PCs-pack%29-p-486.html