table, th, td {border: 1px solid #ddd;border-collapse: collapse;}table {width: 100%; }td {width: 50%; padding: 8px;} tr:nth-child(even){background-color: #f2f2f2;} Assembly Required A low cost method of communicating between two rooms. The remote unit is hands free so it's also great as a baby monitor.•Kit includes PCB, speakers and electronic components. Instructions sold separately or withing the Short Circuits book range, Short Circuits Books are available for Download Here For More Information on Kids science/electronics projects Click Here for Kits for Kids Assembly required Specifications: Kit Form Short Form (circuit only) Kit Group Short Circuit Series Difficulty Simple Application Field Intercom Contains High Voltage Components No Device Announcer / Doorbell Instructions Included No PCB Width 60mm PCB Length 105mm Project Number(s) 16 Volume Number Volume 3 Downloads