- KELVIN® Design-A-Game™ Basic Parts Kit
- KELVIN® Design-A-Game™ Class Pack
- KELVIN® Design-A-Top™ Bulk Pack
- KELVIN® Dice Kit
- KELVIN® Discover It™ Lighthouse Project Bulk Pack
- KELVIN® Discover It™ Lighthouse Project Class Pack
- 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® 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 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® 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® 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/ Motor 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 & Pulley Combo
- 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® 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 Hydraulics
- KELVIN® Hands-On Science® Fair Pack for Transportation
- KELVIN® Hands-On Science® Hydroponics Mini Module
- KELVIN® Hands-On Science® Inertia Welder
- KELVIN® Hands-On Science® Introduction to Hydroponics Booklet
- KELVIN® Hands-On Science® Lab: Investigating Groundwater Pollution
- KELVIN® Hands-On Science® Lab: Oil Spill Cleanup
- KELVIN® Hands-On Science® Mechanical Lift & Drag Testers
- KELVIN® Hands-On Science® Pulley Station
- KELVIN® Hands-On Science® Solar Backup Power Kit
- KELVIN® Hands-On Science® Telegraph & Buzzer Bulk Pack
- KELVIN® Hands-On Science® Telegraph & Buzzer Kit
- KELVIN® Hands-On Science® Voice Over Laser Beam Trainer
- KELVIN® Hang Glider
- KELVIN® Hanukkah Menorah Assembled Demo
- KELVIN® Hanukkah Menorah Kit
- KELVIN® Helicopter Flight Test Center
- KELVIN® Helicopter Flight Test Center Consumables
- KELVIN® Hollywood Marquee Bulk Pack
- KELVIN® Hollywood Marquee Kit
- KELVIN® Hollywood Marquee Kit Assembled Demo
- KELVIN® Home Electrical Wiring Trainer
- KELVIN® Home Electrical Wiring Trainer ASSEMBLED
- KELVIN® HOP Tool Box
- KELVIN® HotShot Raceway™ CO2 Dragster Launcher, 2 Lane
- KELVIN® HotShot Raceway™ System w/ CO2 Launcher, Track & ClassView Jr. Motion Timer™
- KELVIN® House Framing Section
- KELVIN® Hovercraft Racer Bulk Pack
- KELVIN® Hovercraft Racer Kit
- KELVIN® Hydraulic Robotic Arm Trainer
- KELVIN® Hydroelectric Turbine Generator Bulk Pack
- KELVIN® Hydroelectric Turbine Generator Kit
- KELVIN® Hyperloop Experimental Vehicle Kit Bulk Pack
- KELVIN® Hyperloop Starter Set
- KELVIN® Hyperloop Trainer
- KELVIN® Industrial Super-Sized Foam Cutter
- KELVIN® Intercom x 2 Way Kit
- KELVIN® Investigating Electricity Activity
- KELVIN® Investigating Generators, Transformers and Turbines
- KELVIN® Japanese Zero Historical PowerPole™ Plane
- KELVIN® Jumbo Foam Cutter
- KELVIN® Jumbo RBTP™ Rubber Band Power Plane
- KELVIN® K1 Balsa Racing Car™ for CO2 Bulk Pack
- KELVIN® K1 Balsa Racing Car™ for CO2 Kit
- KELVIN® K2 Air-Powered Balsa Racing Car Bulk Pack
- KELVIN® K2 Air-Powered Balsa Racing Car Kit
- KELVIN® K2 Air-Powered Dragster Balsa Wood Blank (7 in. L w/ Pre-Drilled Air Input Hole)
- KELVIN® K2 Air-Powered Dragster Blank Only (No Holes)
- KELVIN® Kel-Air No CO2™ Dragster Bulk Pack (Wood Blanks, 10 in. L; Pre-Drilled with Air Input Hole)
- KELVIN® Kel-Air No CO2™ Dragster Bulk Pack of 25 Kits (Wood Blanks are 10 in. L w/ Pre-Drilled Air Input & Axle Holes)
- KELVIN® Kel-Air No CO2™ Dragster Bulk Pack of 25 Wood Blanks are 10 in. L w/ Pre-Drilled Air Input & Axle Holes)
- KELVIN® Kel-Air No CO2™ Dragster Bulk Pack of 50 (Wood Blanks are 10 in. L w/ Pre-Drilled Air Input & Axle Holes)
- KELVIN® Kel-Air No CO2™ Dragster Bulk Pack of 50 (Wood Blanks are 10 in. L w/ Pre-Drilled Air Input Hole)
- KELVIN® Kel-Air No CO2™ Dragster Kit (Wood Blank is 10 in. L w/ Pre-Drilled Air Input & Axle Holes)
- KELVIN® Kel-Air No CO2™ Dragster Kit (Wood Blank is 10 in. L w/ Pre-Drilled Air Input Hole)
- KELVIN® Kel-Air No CO2™ Dragster Kit (Wood Blank is 7-1/2 in. L w/ Pre-Drilled Air Input Hole)
- KELVIN® Kel-Air No CO2™ Dragster Poplar Wood Blank Pack of 100 (10 in. L, NO HOLES)
- KELVIN® Kel-Air No CO2™ Dragster Poplar Wood Blank Pack of 25 (7-1/2 in. L, Pre-Drilled Air Input Hole)
- KELVIN® Kel-Air No CO2™ Dragster Poplar Wood Blank Pack of 50 (7-1/2 in. L, Pre-Drilled Air Input Hole)
- KELVIN® Kel-Air No CO2™ Dragster Wood Blank Pack of 100 (7-1/2 in. L, NO HOLES)
- KELVIN® Kel-Air No CO2™ Dragster Wood Blank Pack of 25 (10 in. L, Pre-Drilled Air Input Hole)
- KELVIN® Kel-Air No CO2™ Dragster Wood Blank Pack of 50 (10 in. L, Pre-Drilled Air Input & Axle Holes)
- KELVIN® Kel-Air No CO2™ Dragster Wood Blank Pack of 50 (10 in. L, Pre-Drilled Air Input Hole)
- KELVIN® Kel-Air No CO2™ Dragsters Lab
- KELVIN® Kel-Air No CO2™ Electronic Dragster Launcher w/ Track & ClassView Timer™
- KELVIN® Kel-Air No CO2™ ORIGINAL Dragster Launcher
- KELVIN® Kel-Air No CO2™ ORIGINAL Dragster Launcher w/ Track
- KELVIN® Kel-Air No CO2™ ORIGINAL Dragster Launcher w/ Track & ClassView Jr. Motion Timer™
- KELVIN® Kel-Air No CO2™ ORIGINAL Dragster Launcher w/ Track & Motion Timer
- KELVIN® Kel-Air No CO2™ Racing Track, 2-Lane
- KELVIN® Kel-Air No CO2™ Super-Sized BALSA Dragster Balsa Blank Only
- KELVIN® Kel-Air No CO2™ Super-Sized BALSA Dragster Kit Bulk Pack
- KELVIN® KelBotics™ Assembled Robotic Arm and Manual Controller ONLY
- KELVIN® KelBotics™ Battery Eliminator
- KELVIN® Kel-Botics™ Robotic Arm SYSTEM (Assembled)
- KELVIN® Kel-Botics™ Robotic Arm SYSTEM with Robotic Arm KIT
- KELVIN® Kel-Lift & Drag™ Computer Interface Sensor
- KELVIN® Kel-Lift & Drag™ Sensors Upgrade for 2023 or Prior Models
- KELVIN® Kel-Lift & Drag™ Stand-Alone Sensor w/ LCD Display
- KELVIN® Kel-Timer™ Elite Smart Motion Timer, 1 or 2 Lane
- KELVIN® KelTimer™ Motion Timer, 1 or 2 Lane
- KELVIN® KGB Ear Assembled Demo
- KELVIN® KGB Ear Bulk Pack
- KELVIN® KGB Ear Kit
- KELVIN® Kite Parts Bulk Pack
- KELVIN® Krasher™
- KELVIN® Krasher™ Package
- KELVIN® Krasher™ Track Extender
- KELVIN® Kre8® Air-Propelled Racing Car Bulk Pack
- KELVIN® Kre8® Air-Propelled Racing Car Kit
- KELVIN® Kre8® Autonomous Car Kit w/ Arduino Motor Control Board (Assembled)
- KELVIN® Kre8® Autonomous Car Kit w/ Genie® Control Board (Assembled)
- KELVIN® Kre8® Basketball Flier Kit
- KELVIN® Kre8® Bendy Tubes Pack of 100
- KELVIN® Kre8® Bevel Gears Pack of 100
- KELVIN® Kre8® Bevel Gears Pack of 20
- KELVIN® Kre8® Blue Tubes Pack of 100
- KELVIN® Kre8® Blue Tubes Pack of 20
- KELVIN® Kre8® Bridge Bulk Pack
- KELVIN® Kre8® Bridge Kit
- KELVIN® Kre8® Carousel Kit
- KELVIN® Kre8® Catapult
- KELVIN® Kre8® Catapult Bulk Pack
- KELVIN® Kre8® Clip Connectors Pack of 100
- KELVIN® Kre8® Clip Connectors Pack of 20
- KELVIN® Kre8® Collars Pack of 100
- KELVIN® Kre8® Conveyor Belt Kit
- KELVIN® Kre8® Curiosity Rover Bulk Pack
- KELVIN® Kre8® Curiosity Rover Kit
- KELVIN® Kre8® Cutter
- KELVIN® Kre8® Electric Racer Bulk Pack
- KELVIN® Kre8® Electric Racer Kit
- KELVIN® Kre8® End Caps Pack of 100
- KELVIN® Kre8® Fairground Ride Kit
- KELVIN® Kre8® Ferris Wheel Kit
- KELVIN® Kre8® Forklift Kit
- KELVIN® Kre8® Gray Tubes Pack of 100
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