- KELVIN® Kel-Air No CO2™ Dragster WOOD Blank Bulk Pack of 100 (7-1/2 in. L, NO HOLES)
- KELVIN® Kel-Air No CO2™ Dragster WOOD Blank Bulk Pack of 25 (10 in. L, Pre-Drilled Air Input Hole)
- KELVIN® Kel-Air No CO2™ Dragster WOOD Blank Bulk Pack of 25 (7-1/2 in. L, Pre-Drilled Air Input Hole)
- KELVIN® Kel-Air No CO2™ WOOD Blank Bulk Pack of 25 (10 in. L w/ Pre-Drilled Air Input & Axle Holes)
- KELVIN® Kel-Air No CO2™ Dragster Launcher with Exact Air Pressure Display Gauge
- 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 & ClassView Jr. Motion Timer™
- KELVIN® Kel-Air No CO2™ Racing Track, 2-Lane
- 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 Kit
- KELVIN® Krasher™
- KELVIN® Krasher™ Bumper Impact Analyzer
- KELVIN® Krasher™ System
- KELVIN® Krasher™ Track Extender
- KELVIN® Kre8® Air-Propelled Racing Car Kit
- KELVIN® Kre8® Autonomous Car Kit w/ Arduino Motor Control Board (Assembled)
- KELVIN® Kre8® Basketball Flier Kit
- 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 Kit
- KELVIN® Kre8® Carousel Kit
- KELVIN® Kre8® Catapult
- 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 Kit
- KELVIN® Kre8® Cutter
- KELVIN® Kre8® DC Motor Kit
- KELVIN® Kre8® Electric Racer Kit
- KELVIN® Kre8® Fairground Ride Kit
- KELVIN® Kre8® Ferris Wheel Kit
- KELVIN® Kre8® Forklift Kit
- KELVIN® Kre8® Hydraulic Robotic Arm Kit
- KELVIN® Kre8® Maker Maths Kit
- KELVIN® Kre8® Maker STEM Kit
- KELVIN® Kre8® Marble Jump Kit
- KELVIN® Kre8® Mars Rover Kit
- KELVIN® Kre8® Monster Truck Kit
- KELVIN® Kre8® Multi-Blocks Pack of 100
- KELVIN® Kre8® Multi-Blocks Pack of 20
- KELVIN® Kre8® Parts Bin Filler
- KELVIN® Kre8® POP Robots Kit
- KELVIN® Kre8® Power Ball Launcher Kit
- KELVIN® Kre8® Resources Bin Filler
- KELVIN® Kre8® Safety Propellers Pack of 10
- KELVIN® Kre8® Scale Kit
- KELVIN® Kre8® Sea Explorer Kit
- KELVIN® Kre8® Solar Racer Kit
- KELVIN® Kre8® Wheel Pack of 100, 1.10 in. dia.
- KELVIN® Kre8® Wheel Pack of 100, 1.57 in. dia.
- KELVIN® Kre8® Wheel Pack of 100, 2.75 in. dia.
- KELVIN® Kre8® Wheel Pack of 20, 1.10 in. dia.
- KELVIN® Kre8® Wheel Pack of 20, 1.57 in. in. dia.
- KELVIN® Kre8® Wheel Pack of 20, 2.75 in. dia.
- KELVIN® Kre8® Wind Generator Kit
- KELVIN® Kre8® Wired Manual Controller, 1.5V
- KELVIN® Kre8® Wired Manual Controller, 3V
- KELVIN® Lamp Kit
- KELVIN® Large Geodesic Hot Air Balloon Kit
- KELVIN® LED Assortment
- KELVIN® Lift and Drag with Remote Display
- KELVIN® Lift-Push Hovercraft Kit
- KELVIN® Light Activated Circuit Assembled Demo
- KELVIN® Light Activated Circuit Kit
- KELVIN® Light Project Assembled Demo
- KELVIN® Light Project Kit
- KELVIN® Logic Challenge Electronic Trainer™
- KELVIN® Long Island Structure Tester w/ Wood Base
- KELVIN® Low Voltage House Wiring Trainer
- KELVIN® Low Voltage House Wiring Trainer Kit
- KELVIN® Magic Pulley Assembly Only
- KELVIN® Maglev Racer Track, Almost 8 ft. L
- KELVIN® Maglev Track Connector
- KELVIN® Maglev Track, 4 ft. L
- KELVIN® Magnetic Levitation Mini Module 1
- KELVIN® Magnetic Levitation Mini Module 2
- KELVIN® Magnets Bin Filler
- KELVIN® Magnets Bulk Pack
- KELVIN® Making Wet Cells & Batteries Booklet
- KELVIN® Making Wet Cells and Batteries Lab
- KELVIN® Manual EQ™ Earthquake Simulator
- KELVIN® Materials Bin Filler
- KELVIN® Materials Resources Bin Filler
- KELVIN® Measurement and Layout Tools Panel
- KELVIN® Mechanical Engineering Bin Filler
- KELVIN® Mechanical Engineering Mini Bin Filler
- KELVIN® Mechanical Engineering Resources Advanced Bin Filler
- KELVIN® Mechanical Engineering Resources Bin Filler
- KELVIN® Mechanical Parts for Complex Machines
- KELVIN® Mechanical Parts for Complex Machines Bulk Pack
- KELVIN® Mechanical Parts for Complex Machines Team Pack
- KELVIN® Mechanical Tool Pack 7
- KELVIN® Medium Geodesic Hot Air Balloon Kit
- KELVIN® Metal Detector Assembled Demo
- KELVIN® Metal Detector Kit
- KELVIN® Metal Stud Finder Assembled Demo
- KELVIN® Metal Stud Finder Kit
- KELVIN® Micro-Mazer™ Kit
- KELVIN® Micro-Mazer™ Assembled Demo
- KELVIN® Modern Dream House Consumables
- KELVIN® Modern Dream House Design Challenge™
- KELVIN® Moisture Sensor Assembled Demo
- KELVIN® Moisture Sensor Kit
- KELVIN® Molding & Casting with Urethane Resins Activity
- KELVIN® Molding & Casting with Urethane Resins Teacher Demo Kit
- KELVIN® Monsters Vehicle Design Challenge
- KELVIN® Monsters Vehicle Design Challenge Lab
- KELVIN® Monsters Vehicle Kit
- KELVIN® Motor Boat Kit
- KELVIN® Motor Generator Kit
- KELVIN® Motor Speed Control Assembled Demo
- KELVIN® Motor Speed Control Kit
- KELVIN® Motors Bin Filler
- KELVIN® Motors Bulk Pack
- KELVIN® Mousetrap Catapult Kit
- KELVIN® New Standards® S.T.E.M. Class Pack: Aeronautics & Flight
- KELVIN® New Standards® S.T.E.M. Lab Class Pack: Advanced Aeronautics & Flight
- KELVIN® New Standards® S.T.E.M. Lab Class Pack: Advanced Motors
- KELVIN® New Standards® S.T.E.M. Lab Class Pack: Advanced Pneumatics
- KELVIN® New Standards® S.T.E.M. Lab Class Pack: Aeronautics & Flight
- KELVIN® New Standards® S.T.E.M. Lab Class Pack: Aerospace
- KELVIN® New Standards® S.T.E.M. Lab Class Pack: Alternative Energy
- KELVIN® New Standards® S.T.E.M. Lab Class Pack: Beams & Triangles™ Class Pack
- KELVIN® New Standards® S.T.E.M. Lab Team Pack: Advanced Aeronautics & Flight
- KELVIN® New Standards® S.T.E.M. Lab Team Pack: Aeronautics & Flight
- KELVIN® New Standards® S.T.E.M. Lab Team Pack: Alternative Energy
- KELVIN® New Standards® S.T.E.M. Lab Team Pack: Beams & Triangles™
- KELVIN® New Standards® S.T.E.M. Lab Team Pack: Electricity
- KELVIN® New Standards® S.T.E.M. Lab Team Pack: Land Transportation
- KELVIN® New Standards® S.T.E.M. Lab Team Pack: Motors
- KELVIN® New Standards® S.T.E.M. Lab Team Pack: Pneumatics
- KELVIN® New Standards® S.T.E.M. Lab Team Pack: Work, Machine & Gears
- KELVIN® New Standards® S.T.E.M. Lab: Advanced Water Transportation
- KELVIN® New Standards® S.T.E.M. Lab: Boats
- KELVIN® New Standards® S.T.E.M. Lab: Cars w/ Black/White Book
- KELVIN® New Standards® S.T.E.M. Lab: Cars w/ Full Color Book
- KELVIN® New Standards® S.T.E.M. Lab: Intro to Web Servers
- KELVIN® New Standards® S.T.E.M. Lab: Kre8®
- KELVIN® New Standards® S.T.E.M. Lab: Kre8® Class Pack
- KELVIN® New Standards® S.T.E.M. Lab: Marine Engineering
- KELVIN® New Standards® S.T.E.M. Lab: Mechanical Engineering
- KELVIN® New Standards® S.T.E.M. Lab: Mechanisms
- KELVIN® New Standards® S.T.E.M. Lab: Mechanisms Class Pack
- KELVIN® New Standards® S.T.E.M. Lab: Water Transportation
- KELVIN® New Standards® S.T.E.M. Lab: Wind Turbine Design
- KELVIN® New Standards® S.T.E.M. Lab: Work, Machine & Gears Class Pack
- KELVIN® Night Light Kit
- KELVIN® No CO2 K2 Air-Powered Dragster™ BALSA Blank (7 in. L; NO HOLES)
- KELVIN® No CO2 K2 Air-Powered Dragster™ BALSA Blank (7 in. L; Pre-Drilled Air Input Hole)
- KELVIN® No CO2 K2 Air-Powered Dragster™ Racing Car Bulk Pack of 10 Kits w/ BALSA Blank (7 in. L; Pre-Drilled Air Input Hole)
- KELVIN® No CO2 K2 Air-Powered Dragster™ Racing Car Kit w/ BALSA Blank (7 in. L; Pre-Drilled Air Input Hole)
- KELVIN® Number Picker Assembled Demo
- KELVIN® Number Picker Kit
- KELVIN® Odyssey™ Elementary Wind Turbine Challenge
- KELVIN® Odyssey™ Elementary Wind Turbine Challenge Package
- KELVIN® Odyssey™ Wind Turbine Challenge
- KELVIN® Off The Grid: Hot Water Heater Kit
- KELVIN® Off The Grid: Solar Electric System Kit
- KELVIN® Original Foam Cutter
- KELVIN® PaceMaker™ Assembled Demo
- KELVIN® PaceMaker™ Kit
- KELVIN® Package Design Mini Module
- KELVIN® Paper Rockets™ Bulk Pack
- KELVIN® Paper Rockets™ Launcher
- KELVIN® Paper Rockets™ Pack of 100
- KELVIN® Paper Rocket™ Launcher, Dual
- KELVIN® Penny Racer™ Foam Car w/ Split Base
- KELVIN® Penny Racer™ Gravity Track
- KELVIN® Penny Racer™ Lab
- KELVIN® Pergola Kit
- KELVIN® Pick-Up Truck Mold
- KELVIN® Piper Cherokee Historical PowerPole™ Plane
- KELVIN® Piper Cub Historical PowerPole™ Plane
- KELVIN® Police Siren Assembled Demo
- KELVIN® Police Siren Kit
- KELVIN® Pontoon Boat Kit
- KELVIN® Power Grid Electrical Distribution Class Pack
- KELVIN® Power Hand Tools Panel
- KELVIN® Power On-Board Experimental Maglev Car Kit
- KELVIN® PowerPole™ 2010 Cable
- KELVIN® PowerPole™ Balsa & Tissue Paper Plane
- KELVIN® PowerPole™ Balsa Blank Plane
- KELVIN® PowerPole™ Balsa Plane
- KELVIN® PowerPole™ Cargo Plane Kit
- KELVIN® PowerPole™ Older Models Upgrade Kit
- KELVIN® PowerPole™ Plane Kit
- KELVIN® PowerPole™ Power Cable
- KELVIN® PowerPole™ Timer, Serial Interface
- KELVIN® PowerPole™ Timer, USB Interface
- KELVIN® Premium Robotic Control Pack w/Arduino Microcontroller
- KELVIN® Pre-Printed CAR-DBOARD™
- KELVIN® Pre-Shaped Foam Glider Kit
- KELVIN® Project ComTech™ Class Pack
- KELVIN® Project ComTech™ Lab
- KELVIN® Project ComTech™ Lab Manual
- KELVIN® Project Parts Bin Filler
- KELVIN® Project Parts Bulk Pack
- KELVIN® Project Wheels Kit
- KELVIN® Propeller Boat Kit
- KELVIN® Propellers Bin Filler
- KELVIN® Pulley-Driven XL Mousetrap Racer™ Kit
- KELVIN® Racer Mold
- KELVIN® Racing Wheel with End Cap, Front
- KELVIN® Racing Wheel with End Cap, Front - Green/Yellow
- KELVIN® Racing Wheel with End Cap, Rear
- KELVIN® Racing Wheel with End Cap, Rear - Green/Yellow
- KELVIN® Racing Wheel, Front
- KELVIN® Racing Wheel, Front - Green/Yellow
- KELVIN® Ramp Racer™ Kit
- KELVIN® Ranch Dream House Design Challenge™
- KELVIN® Ranch Dream House Printed Cardstock
- KELVIN® Rat Racer® Economical Kit
- KELVIN® RBTP™ Rubber Band Power Plane Kit
- KELVIN® RBTP™ Rubber Band TestPole™ Starter Set
- KELVIN® Reaction Tester Assembled Demo
- KELVIN® Reaction Tester Kit
- KELVIN® Reed Switch Motor Kit
- KELVIN® Robotic Vehicle Advanced Kit w/ Wood Base
- KELVIN® Robotic Vehicle Kit w/ Cardstock Base
- KELVIN® Robotic Vehicle Kit w/ Large Plastic Circle Base
- KELVIN® Robotic Vehicle Kit w/ Large Plastic Rectangle Base
- KELVIN® Robotic Vehicle Kit w/ Small Plastic Circle Base
- KELVIN® Robotic Vehicle Kit w/ Small Plastic Rectangle Base
- KELVIN® Robotic Vehicle Kit w/ Wood Base & 2 Motors
- KELVIN® Robotic Vehicle Kit w/ Wood Base & 4 Motors
- KELVIN® Rocket Scientist™ Launcher
- KELVIN® Rocketry Design Mini Module 1
- KELVIN® Rocketry Design Mini Module 2
- KELVIN® Rocketry Lab
- KELVIN® Roof Framing Kit
- KELVIN® Roof Framing Kit with StiKutter™
- KELVIN® Rubber Band & Propeller Car Kit
- KELVIN® Rubber Band & Propeller Car Kit w/ Pre-Cut Wood
- KELVIN® Rubber Band & Tissue Paper Glider Kit
- KELVIN® Rubber Band Build-A-Better Racer™ Designer Kit
- KELVIN® Rubber Band Build-A-Better Racer™ Economy Kit
- KELVIN® Rubber Band Plane Kit
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