SainSmart Black Slices Case for Raspberry Pi 2 Model B and Raspberry Pi Model B+ with Mini Fan For Raspberry Pi 2B and Pi B+ Well design and easy to put together. Clear top and base to leave your pi visible Primary ports accessible, Good ventilation Package content: 1*Tontec case for Pi 2B and Pi B+, 1*mini fan With instruction. Assemble steps are shown in picture 6.