Arduino Uno Pocket Plus by C4Labs

C4Labs Zero Plus Breadboard Case- Raspberry Pi Zero & Zero Wireless-Black Ice

C4Labs Zero Plus Breadboard Case - for Raspberry Pi Zero - Classic Wood

Arduino UNO Q Snap-fit Breadboard Case Kit for Portable STEM Engineering Makers

Arduino 101 Lazer Lime Case for Official Intel Arduino 101 ~ C4Labs

Arduino 101 Walnut Case for Official Intel Arduino 101 ~ C4Labs

RAB Holder Breadboard Kit for Raspberry Pi Compatible with Arduino Uno R4 Min...

Clear Case For Arduino UNO - Protective Plastic - Fully Accessible - Free UK P&P