Plastic Box Case For Arduino For Uno Kit 234*168*62mm With Two Layer Storage Box - Battery Storage Boxes - AliExpress
Arduino Explore IoT Kit - RobotShop
Elko range electrolytic capacitor aluminum 24 variants, 500 pieces 0.1uf - 1000UF with storage box compatible with Arduino
screws for arduino/Raspberry Pi, 210 pcs Screws Kits Plastic Screws and Nuts with Storage Box Case for DIY Raspberry Pi 2/3 electronics multi-accessories plastic screws set : Amazon.co.uk: Computers & Accessories