- KELVIN® Big Wheel
- KELVIN® Binary Quartz Clock
- KELVIN® Blinking LEDs Assembled Demo
- KELVIN® Blinking LEDs Bulk Pack
- KELVIN® Blinking LEDs Kit
- KELVIN® Blue Bird Glider Bulk Pack
- KELVIN® Blue Bird Glider Kit
- KELVIN® Boat Hull Design Kit
- KELVIN® Bottle Geek™ Vehicle Bulk Pack
- KELVIN® Bottle Geek™ Vehicle Kit
- KELVIN® Bridge & Tower Bulk Pack
- KELVIN® Bridge & Tower Kit
- KELVIN® Bridge Bulk Pack w/ 1/16 x 1/8 in. Balsa Beams
- KELVIN® Bridge Bulk Pack w/ 1/16 x 1/8 in. Basswood Beams
- KELVIN® Bridge Bulk Pack w/ 1/8 x 1/8 in. Balsa Beams
- KELVIN® Bridge Kit w/ 1/16 x 1/8 in. & 1/8 x 1/8 in. Balsa Beams
- KELVIN® Bridge Kit w/ 1/16 x 1/8 in. Basswood Beams
- KELVIN® Bridge Kit w/ 3/32 in. x 3/32 in. x 18 in. Balsa Beams
- KELVIN® Bridge Kit w/ 3/32 x 3/32 in. Basswood Beams
- KELVIN® British Spitfire Historical PowerPole™ Plane
- KELVIN® Brooklyn Bridge Bulk Pack
- KELVIN® Brooklyn Bridge Kit
- KELVIN® Build A Better Mousetrap Racer® Bulk Pack
- KELVIN® Build A Better Mousetrap Racer® Kit
- KELVIN® Build A Better Mousetrap Racer® Resource Guide
- KELVIN® Build A Better Mousetrap Racer® Resource Guide, B/W
- KELVIN® Build Your Own® Battle Ball™ Robotic Arm Parts Kit
- KELVIN® Build Your Own® Community
- KELVIN® Build Your Own® Community Accessory Pack
- KELVIN® Build Your Own® Community Class Pack
- KELVIN® Build Your Own® Large Catapult
- KELVIN® Build Your Own® Large Catapult Bulk Pack
- KELVIN® Build Your Own® Small Catapult Bulk Pack
- KELVIN® Build Your Own® Small Catapult Kit
- KELVIN® Bungalow Model House
- KELVIN® Bungalow Model House Framing Bulk Pack
- KELVIN® Cabin Advanced House Framing
- KELVIN® Catapult Bulk Pack
- KELVIN® Catapult Kit
- KELVIN® CD to Wheel Adapter
- KELVIN® Cessna 172 Skyhawk Historical PowerPole™ Plane
- KELVIN® Chain Reaction Contraption
- KELVIN® Chain Reaction Contraption Bulk Pack
- KELVIN® Christmas Tree Kit
- KELVIN® ClassView Jr. Motion Timer™ for 1 or 2 Lanes
- KELVIN® ClassView Timer™ for 2-Lanes
- KELVIN® Clipper Glider w/ 13 in. Wingspan U-Design Bulk Pack
- KELVIN® Clipper Glider w/ 18 in. Wingspan U-Design
- KELVIN® Clipper Glider w/ Pre-Cut Balsa Sheet & 13 in. Wingspan
- KELVIN® Clipper Glider w/ Pre-Cut Balsa Sheet & 18 in. Wingspan
- KELVIN® CO2 Dragster 10 in. L Balsa Blank (Pre-Drilled Axle & CO2 Cartridge Holes)
- KELVIN® CO2 Dragster 12 in. L Balsa Blank (Pre-Drilled Axle & CO2 Cartridge Holes)
- KELVIN® CO2 Dragster 12 in. L Balsa Blank (Pre-Drilled Cartridge Hole ONLY-No Axle Holes)
- KELVIN® CO2 Dragster 50 Pack of 12 in. L Wood Blank (Pre-Drilled Axle & CO2 Cartridge Holes)
- KELVIN® CO2 Dragster Basswood Blank with Pre-Drilled CO2 Cartridge Hole
- KELVIN® CO2 Dragster Bulk Pack of 25 Kits w/ 12 in. L Pine Wood Blank (Pre-Drilled CO2 Cartridge Hole)
- KELVIN® CO2 Dragster Bulk Pack of 25 Kits w/ 12 in. L Wood Blanks (Pre-Drilled w/ Axle & CO2 Cartridge Holes)
- KELVIN® CO2 Dragster Bulk Pack w/ 10 in. L Balsa Blank (Pre-Drilled Axle & CO2 Cartridge Holes)
- KELVIN® CO2 Dragster Bulk Pack w/ 12 in. L Balsa Blank (Pre-Drilled Axle & CO2 Cartridge Holes)
- KELVIN® CO2 Dragster Bulk Pack w/ 12 in. L Balsa Blank (Pre-Drilled CO2 Cartridge Hole ONLY)
- KELVIN® CO2 Dragster Bulk Pack w/ 12 in. L Pine Wood Blank (Pre-Drilled CO2 Cartridge Hole)
- KELVIN® CO2 Dragster Bulk Pack w/ 12 in. L w/ Balsa Blanks (Pre-Drilled CO2 Cartridge Holes)
- KELVIN® CO2 Dragster Bulk Pack w/ 12 in. L w/ Basswood Blank (Pre-Drilled CO2 Cartridge Holes)
- KELVIN® CO2 Dragster Bulk Pack w/ 12 in. L Wood Blank (Pre-Drilled Axle & CO2 Cartridge Holes)
- KELVIN® CO2 Dragster Class Pack w/ 12 in. L w/ Balsa Blanks (Pre-Drilled CO2 Cartridge Holes)
- KELVIN® CO2 Dragster Dual-Lane Racing Track
- KELVIN® CO2 Dragster Kit w/ 12 in. L Basswood Blank (Pre-Drilled CO2 Cartridge Hole)
- KELVIN® CO2 Dragster Kit w/ 12 in. L Pine Wood Blank (Pre-Drilled CO2 Cartridge Hole)
- KELVIN® CO2 Dragster Kit w/ 12 in. L w/ Balsa Blank (Pre-Drilled CO2 Cartridge Hole)
- KELVIN® CO2 Dragster Kit w/ 12 in. L Wood Blank (Pre-Drilled Axle & CO2 Cartridge Holes)
- KELVIN® CO2 Dragster Paint Jig
- KELVIN® CO2 Dragster Pine Wood Blank (Pre-Drilled CO2 Cartridge Hole)
- KELVIN® CO2 Dragster Pine Wood Blank Bulk Pack (Pre-Drilled CO2 Cartridge Hole)
- KELVIN® CO2 Dragster Wood Blank (Pre-Drilled CO2 Cartridge Hole)
- KELVIN® CO2 Dragster Wood Blank Bulk Pack (Pre-Drilled CO2 Cartridge Hole)
- KELVIN® CO2 Dragster Wood Blank with Pre-Drilled CO2 Cartridge Hole
- KELVIN® Condor Glider™ Bulk Pack
- KELVIN® Condor Glider™ Catapult Launcher
- KELVIN® Condor Glider™ CO2 Firing Pin Mechanism
- KELVIN® Continuity Tester w/ Electric Buzzer Assembled Demo
- KELVIN® Continuity Tester w/ Electric Buzzer Bulk Pack
- KELVIN® Continuity Tester w/ Electric Buzzer Kit
- KELVIN® Continuity Tester w/ LED Light & Mechanical Buzzer Bulk Pack
- KELVIN® Continuity Tester w/ LED Light Bulk Pack
- KELVIN® Cool Melt Glue Gun w/ Glue Sticks
- KELVIN® Creative Crane Class Pack (No Wood)
- KELVIN® Creative Crane Class Pack w/ Balsa Wood
- KELVIN® Creative Crane Kit
- KELVIN® Creative Crane Kit w/ StiKutter™
- KELVIN® Creative Crane Pulley
- KELVIN® DC Troubleshooting Trainer™
- KELVIN® Decision Maker Assembled Demo
- KELVIN® Decision Maker Bulk Pack
- KELVIN® Decision Maker Kit
- KELVIN® Decision Stick Assembled Demo
- KELVIN® Decision Stick Bulk Pack
- KELVIN® Decision Stick Kit
- KELVIN® Design-A-Clock™ Kit w/ Circle Face
- KELVIN® Design-A-Clock™ Kit w/ Square Face
- KELVIN® Design-A-Deck Advanced Kit
- KELVIN® Design-A-Deck Basic Kit
- KELVIN® Design-A-Game™ Advanced Parts Kit
- KELVIN® Design-A-Game™ Basic Parts Kit
- KELVIN® Design-A-Game™ Class Pack
- KELVIN® Design-A-Top™ Bulk Pack
- KELVIN® Dice Kit
- KELVIN® Digital Troubleshooting Trainer™
- KELVIN® Discover It™ Lighthouse Project Bulk Pack
- KELVIN® Discover It™ Lighthouse Project Class Pack
- KELVIN® Double Ball-Bearing Mousetrap Racers™ Bulk Pack
- KELVIN® Double Ball-Bearing Mousetrap Racers™ Kit
- KELVIN® Double Prop Helicopter with Balsa Propellers
- KELVIN® Double Prop Helicopter with Plastic Propellers
- KELVIN® Downhill Racer™ Car Kit with Balsa Blank
- KELVIN® Downhill Racer™ Car Kit with Foam Blank
- KELVIN® Downhill Racer™ Car Kit with Pine Blank
- KELVIN® Downhill Racer™ Performance Wood Car Bulk Pack
- KELVIN® Downhill Racer™ Performance Wood Car Kit
- KELVIN® Drafting & Measurement Cubes
- KELVIN® Drafting & Measurement Cubes Class Pack
- KELVIN® Dragster Essentials Bulk Pack - No Blank, No CO2 Cartridge
- KELVIN® Dragster Essentials Kit - No Blank, No CO2 Cartridge
- KELVIN® Dragster Wheel, Front
- KELVIN® Dragster Wheel, Rear
- KELVIN® Dual Power Supply Assembled Demo
- KELVIN® Dual Power Supply Kit
- KELVIN® E.P. Egg Drop Design Challenge
- KELVIN® E.P. Motor-Powered Dragster Kit
- KELVIN® E.P. Rubber Band Cardstock Racer Kit
- KELVIN® E.P. Rubber Band Powered Antique Car Kit
- KELVIN® E.P. Shapes in Paper Kit
- KELVIN® E.Q. Data Collection Box
- KELVIN® E.V. Racer Bulk Pack
- KELVIN® E.V. Racer Kit
- KELVIN® E.V. Racer Rechargeable Kit
- KELVIN® Earthquake Data Collection Interface
- KELVIN® Econobot™ Bulk Pack w/ Craft Sticks
- KELVIN® Econobot™ Kit w/ Craft Sticks
- KELVIN® Econobot™ Kit w/ Pre-Cut & Pre-Drilled Plywood
- KELVIN® Economical Build A Better Mousetrap Racer® Bulk Pack
- KELVIN® Economical Build A Better Mousetrap Racer® Kit
- KELVIN® Economy Bridge & Tower Tester
- KELVIN® Economy Foam Cutter Kit
- KELVIN® Economy Motion Timer, 1 or 2 Lane
- KELVIN® Economy Motion Timer, 1-Lane
- KELVIN® Economy Motor Generator (Assembled)
- KELVIN® Economy Motor Generator Bulk Pack
- KELVIN® Economy Motor Generator Kit
- KELVIN® Economy Pulley Set
- KELVIN® Economy Robotic Control Pack w/Arduino Microcontroller
- KELVIN® Economy Solar Car Bulk Pack
- KELVIN® Economy Solar Car Kit
- KELVIN® Eco-Power Wind Turbine Gear Box
- KELVIN® Eco-Power Wind Turbine Gear Box with Stand
- KELVIN® Egg Roll Motor™ Kit
- KELVIN® EggHead Pilot™ Kit
- KELVIN® Electric PowerPole™ Design Challenge
- KELVIN® Electrical Activity
- KELVIN® Electricity & Magnetism Motor Bulk Pack
- KELVIN® Electricity & Magnetism Motor Kit
- KELVIN® Electronic Chirp Kit
- KELVIN® Electronic Kits Bin Filler
- KELVIN® Electronic Parts for Complex Machines Bulk Pack
- KELVIN® Electronic Parts for Complex Machines Team Pack
- KELVIN® Electronic Tools Panel
- KELVIN® Electronics Bin Filler
- KELVIN® Electronics Clip-On Trainer
- KELVIN® Electronics LabKit Trainer: Analog
- KELVIN® Electronics LabKit Trainer: Digital
- KELVIN® Electronics Resources Advanced Bin Filler
- KELVIN® Electronics Resources Bin Filler
- KELVIN® Elite Kel-Timer™ Motion Timer
- KELVIN® Engineering & Structures Mini Module 1: Beam Style Bridges
- KELVIN® Engineering Principles™ Geodesic Dome Kit
- KELVIN® Engineering Principles™ Hydraulic & Pneumatic Truck Bulk Pack
- KELVIN® Engineering Principles™ Hydraulic & Pneumatic Truck Kit
- KELVIN® Engineering Principles™ Jet Balloon Car Bulk Pack
- KELVIN® Engineering Principles™ Jet Balloon Car Kit
- KELVIN® Engineering Principles™ Mousetrap Car Bulk Pack
- KELVIN® Engineering Principles™ Mousetrap Car Kit
- KELVIN® Engineering Principles™ Packaging Design Bulk Pack
- KELVIN® Engineering Principles™ Packaging Design Kit
- KELVIN® Engineering Principles™ Rubber Band Cardstock Racer Bulk Pack
- KELVIN® Engineering Principles™ Rubber Band Powered Antique Car Bulk Pack
- KELVIN® Engineering Principles™ Rubber Band Racer Bulk Pack
- KELVIN® Engineering Principles™ Rubber Band Racer Kit
- KELVIN® Engineering Principles™ Solar Car Bulk Pack
- KELVIN® Engineering Principles™ Solar Car Kit
- KELVIN® Everything® 10 Trainer
- KELVIN® Everything® 10 Trainer Kit
- KELVIN® Everything® 50 Trainer
- KELVIN® ExCITE Economy Robotic Pack w/ Micro:Bit Microprocessor
- KELVIN® ExCITE Premium Robotic Pack w/ Micro:Bit Microprocessor
- KELVIN® Experiment Mini Pack
- KELVIN® Experiment Project Pack
- KELVIN® Experimental Wind Turbine House Bulk Pack
- KELVIN® Experimental Wind Turbine w/ Assembled Motor Generator
- KELVIN® Experimental Wind Turbine w/ Assembled Wind-Up Generator
- KELVIN® Experimental Wind Turbine w/ Motor Generator Kit
- KELVIN® Experimental Wind Turbine w/ Wind-Up Generator Kit
- KELVIN® Experimental Wind Turbine Wind-Up Generator Kit
- KELVIN® Explore Wind Farm Technology Lab
- KELVIN® Explore Wind Farm Technology Lab w/ Laptop
- KELVIN® Fairground Micro:Bit Programmable Control Kit
- KELVIN® Fastening Tools Panel
- KELVIN® Fiber Optic Alarm Chain Bulk Pack
- KELVIN® Fiber Optic Alarm Chain Kit
- KELVIN® Flashing & Adjustable Jumbo LED Bulk Pack
- KELVIN® Flashing & Adjustable Jumbo LED Kit
- KELVIN® Flashing LED Heart Kit
- KELVIN® Foam Base for House
- KELVIN® Foam Bin Filler
- KELVIN® Foam Board and Cardstock Safety Holding Jig
- KELVIN® Foam Car Bulk Pack
- KELVIN® Foam Car Kit
- KELVIN® Foam Glider Class Pack
- KELVIN® Foam Glider Kit
- KELVIN® Foam Value Pack
- KELVIN® Game Box Kit
- KELVIN® Gear Box & Pulley Activity
- KELVIN® Gear Box & Pulley Activity Bulk Pack
- KELVIN® Gear Box Car Kit
- KELVIN® Gear Car Kit
- KELVIN® Gear Jig
- KELVIN® Gear Wheel, Front
- KELVIN® Gear Wheel, Rear
- KELVIN® Gear-Powered Mousetrap Racer™ Bulk Pack
- KELVIN® Gear-Powered Mousetrap Racer™ Kit
- KELVIN® Gears & Pulleys Bin Filler
- KELVIN® Generator Motor Car Kit
- KELVIN® Genie Program It™ Activity Board (Assembled)
- KELVIN® Genie Program It™ Activity Board Bulk Pack
- KELVIN® Genie Program It™ Activity Board Kit
- KELVIN® Geodesic Hot Air Balloon Bulk Pack
- KELVIN® Geodesic Hot Air Balloon Challenge
- KELVIN® German Messerschmitt ME 109 Historical PowerPole™ Plane
- KELVIN® GR Cruiser Car Bulk Pack
- KELVIN® GR Cruiser Car Kit
- KELVIN® Hand Crank Flashlight
- KELVIN® Hand Crank Generator Headlamp
- KELVIN® Hand Held Foam Cutter
- KELVIN® Hands-On Science® Activity: Simple Machines w/ Cardstock Template
- KELVIN® Hands-On Science® Activity: Simple Machines w/ Cardstock Template Class Pack
- KELVIN® Hands-On Science® Activity: Simple Machines w/ Plastic Work Board
- KELVIN® Hands-On Science® Alternative Energy Battery Charger w/ Solar Cell
- KELVIN® Hands-On Science® Alternative Energy Battery Charger w/ Solar Cell and Solar Motor
- KELVIN® Hands-On Science® Classroom Hydroponics System
- KELVIN® Hands-On Science® Economy Wind Tunnel
- KELVIN® Hands-On Science® Experimenting with Syringes
- KELVIN® Hands-On Science® Fair Pack for Transportation
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