Pimoroni PIM529 Mini Protoboard – Green used in experimental circuits, prototypes and to upgrade a small electronic project to its forever home. The colorful protoboard looks just like a mini breadboard which is actually less than 2mm thick. This mini protoboard features through plated holes for easy soldering and columns that are connected in sets of 5. The protoboard also includes a loop to attach tiny project onto other devices that makes it perfect for making light up keyrings, flashy lanyards, or festive decorations. This PIM529 mini protoboard – green is available in 61.7mm x 51mm x 1.6mm dimensions.