Elegoo EL-CP-003 3pcs MB-102 Breadboard 830 Point Solderless Prototype PCB Board Kit for Arduino Proto Shield Distribution Connecting Blocks 630 tie-point ic-circuit area plus 2x100 tie-point distribution strips providing 4 power rails White ABS plastic body with black printed legend. Color legend on distribution strips With self-adhesive tape on the back, make it easy to stick on the Arduino prototype shield Packing in a paper box We have always cared about the customer experience and improve the product function details