KELVIN® Continuity Tester w/ Electric Buzzer Bulk Pack Bulk Pack of 20 - As Low As $3.95 Per Kit! Don't be fooled by the low price - this is a real test instrument with Electric Buzzer and LED Light. When troubleshooting a circuit, this kit would be a great tool to test for continuity in a circuit. It has a... MSRP: Was: Now: $79.00 Add to Cart
KELVIN® Continuity Tester w/ Electric Buzzer Kit Don't be fooled by the low price - this is a real test instrument with Electric Buzzer and LED Light. When troubleshooting a circuit, this kit would be a great tool to test for continuity in a circuit. It has a LED light and built-in electric buzzer for... MSRP: Was: Now: $4.45 Add to Cart
KELVIN® Continuity Tester w/ Mechanical Buzzer Bulk Pack Bulk Pack of 20 - As Low As $4.95 Per Kit! Don't be fooled by the low price - this is a real test instrument with Mechanical Buzzer and LED Light. When troubleshooting a circuit, this kit would be a great tool to test for continuity in a circuit. It has... MSRP: Was: Now: $99.00 Add to Cart
KELVIN® Decision Maker Assembled Demo Whenever you have to make a YES/NO or a Heads/Tails decision, make your life simple and build the Electronic Decision Maker. The kit includes all parts. Requires a 9V battery. Teacher Demo Unit, Assembled/Tested. MSRP: Was: Now: $49.95 Add to Cart
KELVIN® Decision Maker Bulk Pack Bulk Pack of 30 - As Low As $3.30 Per Kit! Whenever you have to make a YES, NO, or a Heads or Tails decision, make your life simple and build the Electronic Decision Maker. The kit includes all parts. Requires a 9V battery. MSRP: Was: Now: $99.00 Add to Cart
KELVIN® Decision Maker Kit When you have to make a decision of YES, NO, or Heads or Tails, make your life simple and get the KELVIN® Electronic Decision Maker. Requires 9VDC battery. Kit. MSRP: Was: Now: $3.95 Add to Cart
KELVIN® Decision Stick Assembled Demo Push the button to display the answers to all of your questions. Requires a 9V battery. Does not include enclosure, use 430202. Teacher Demo Unit, Hand Assembled/Tested. MSRP: Was: Now: $59.95 Add to Cart
KELVIN® Decision Stick Bulk Pack Bulk Pack of 20 - As Low As $7.45 Per Kit! Push the button to display the answers to all of your questions. Requires a 9V battery. Does not include enclosure. MSRP: Was: Now: $149.00 Add to Cart
KELVIN® Decision Stick Kit Push the button to display the answers to your questions. Requires a 9V battery. MSRP: Was: Now: $9.95 Add to Cart
KELVIN® Dice Kit Electronic die with an LED indication. Rolls slowly out when the push button is released. Requires a 9V battery. MSRP: Was: Now: $12.95 Add to Cart
KELVIN® Dual Power Supply This kit contains all parts necessary to build a dual adjustable power supply to power your projects. Outputs positive-negative voltages from +/-1.25 to +/-15VDC at 700mA per supply. MSRP: Was: Now: $23.95 Add to Cart
KELVIN® Dual Power Supply Assembled Demo This kit contains all parts necessary to build a dual adjustable power supply to power your projects. Outputs positive-negative voltages from +/-1.25 to +/-15VDC at 700mA per supply. Requires wall adapter, use 220136. Teacher Demo Unit, Assembled/Tested. MSRP: Was: Now: $79.95 Add to Cart