Paxcoo 4 Pieces Breadboards Kit with 120 Pieces Jumper Wires for Arduino Proto Shield Circboard Prototyping WHAT YOU GET  Package comes with 2 pieces 830-Points large bread boards, 2 pieces 400-Points mini bread boards and 120 pieces jumper wires for use in electronic and electrical experiments projects. HIGH QUALITY EXPERIMENT BREADBORD  The solderless breadboard is made of ABS plastic and can be fixed on a flat surface with adhesive tape at the back. The 830 Points breadboard is about 6.5 x 2.1 x 0.3in size, and the 400 Points breadboard is about 3.2 x 2.1 x 0.3 in size. JUMPER WIRES RIBBON CABLES  The multicolored insertion wire is made of high-grade copper core, and is about 8 (20cm) in length. Totally 120 single axis that includes 40 pieces male-male, 40 pieces male-female and 40 pieces female-female. FITS FOR ARDUINO PROTO SHIELD  The breadboard and jumper wires kit is ideal for setting up a trial circuit, prototype or experimenting. PRODUCT WARRANTY AND CUSTOMER SERVICE - We provide 48-days money-back and 24-months warranty. Please feel free to contact us if you have any question