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 Dazzling display using 10 LEDs that appear to chase each other. Build for a shop, theater or advertising display.•Kit includes PCB, LEDs and electronic components.•12VDC power required 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 Contains High Voltage Components No Instructions Included No PCB Width 60mm PCB Length 105mm Project Number(s) 8 Volume Number Volume 3 Downloads