- Foam, 1 x 3 x 10 in.
- Foam, 1 x 3 x 8 in.
- Foam, 1/2 x 3 x 8 in.
- Foam, 2 x 2-1/2 x 8 in.
- Foam, 2 x 3 x 12 in.
- Foam, 2 x 4 x 12 in.
- Foam, 3 x 4 x 4 in.
- Fuse Holder, Post
- Game Marbles
- Gear Box & Motor
- Gear Box & Motor Kit
- Gear Box & Wheel Kit
- Gear Pack, 15 mm dia.
- Gear Pack, 20 mm dia.
- Gear Pack, 40 mm dia.
- Gear Pack, 60 mm dia.
- Gear Racks
- Genie™ PCB218 Kit
- Genie™ PCB220 Kit
- Genie™ PCB418 Kit
- Glider Design Activity Manual
- Glue Stick
- Grid Paper
- Guillow's Lancer Model Plane
- Hall Effect Switch
- Hammer, Small
- Hand Drill Press
- Hand Launch Controllers
- Hand Pump
- Headphones
- Heat Gun
- Heat Sink, Clip
- Heat Sink, TO-220
- Heavy Duty Gear Box & Motor, 100:1
- Heavy Duty Gear Box & Motor, 15:1
- Helium Spectrum Discharge Tube
- Hex Lock Nut, #8-32
- Hex Lock Nut, 1/4 in.-20
- Hex Lock Nut, 3/8 in.-16
- High Density Foam Sheets
- High Quality Potentiometer, 100K Ohm
- High Speed Axles Pack of 100
- High Speed Axles Pack of 50
- High Speed Wheels Set
- Hinge - Game Box
- Hinge - Piano
- Hinges - Nylon
- Hi-Traction Wheel
- Hi-Traction Wheel, 2-3/8 in. Diameter
- Hooked Weight Set
- Horizontal Mount Trimmer, 10K Ohm
- Horizontal PC Board Mount Trimmer, 100K Ohm
- Horizontal PC Board Mount Trimmer, 47K Ohm
- Horizontal PC Board Mount Trimmer, 500K Ohm
- Horizontal PC Board Mount Trimmer, 5K Ohm
- Hot Melt Glue Gun Slugs, 1/2 in. dia.
- Hot Melt Glue Gun Slugs, Clear
- Hot Melt Mini Glue Gun Slugs
- Hot Wire Cutter
- Hot/Cool Melt Glue Gun
- Hot/Cool Melt Glue Gun Slugs
- Hot/Cool Melt Mini Glue Gun Slugs
- How the Electric Utility System Works
- Hub Wheel
- Hydrogen Spectrum Discharge Tube
- Ice Cream Making and Cake Baking Booklet
- Inboard Motor Propulsion Kit
- Inch Dial Calipers
- Infrared Receiver
- Inks, Food Colors and Papers Booklet
- Integrated Circuit, 7400
- Integrated Circuit, 7404
- Integrated Circuit, 7447
- Integrated Circuit, 7473
- Integrated Circuit, 74HC08
- Integrated Circuit, 74LS00
- Integrated Circuit, 74LS161
- Integrated Circuit, 74LS163
- Integrated Circuit, 74LS194
- Integrated Circuit, 74LS240
- Integrated Circuit, 74LS283
- Integrated Circuit, 74LS47
- Integrated Circuit, 74LS74
- Integrated Circuit, 74LS90
- Integrated Circuit, CD4011
- Integrated Circuit, CD4017
- Integrated Circuit, CD4027
- Integrated Circuit, CD4046
- Integrated Circuit, CD4078
- Integrated Circuit, CD4081
- Integrated Circuit, CD4528
- Introductory Tool Pack with Tool Box
- Joint Jig for Beams & Triangles™
- Jr. Hacksaw
- Jr. Hacksaw Blades
- KELVIN® 1/4 in. to 1/8 in. Wheel Adapter
- KELVIN® 1st Breadboard Lab™
- KELVIN® 1st Breadboard Lab™ Manual, English
- KELVIN® 1st Breadboard Lab™ Manual, Spanish
- KELVIN® 1st Breadboard Lab™ Trainer with Spanish Manual
- KELVIN® 1-Story House Framing Bulk Pack
- KELVIN® 1-Story House Framing Kit
- KELVIN® 1-Story House Framing Kit with StiKutter™
- KELVIN® 20 W Audio Amplifier Assembled Demo
- KELVIN® 20 W Audio Amplifier Bulk Pack
- KELVIN® 20 W Audio Amplifier Kit
- KELVIN® 20+20 W Stereo Amplifier Assembled Demo
- KELVIN® 20+20 W Stereo Amplifier Kit
- KELVIN® 2-Story Advanced House Framing
- KELVIN® 3D Christmas Tree Kit
- KELVIN® 4 x 2 SUMO Car Wrestler® Wired Controller
- KELVIN® 4+2 Wireless Remote Controller
- KELVIN® 50LE Multimeter with Buzzer
- KELVIN® AC Troubleshooting Trainer™
- KELVIN® Active Solar Collector Lab w/ PC
- KELVIN® Adjustable Stop Catapult
- KELVIN® Adjustable Stop Catapult w/ Magnetic Repulsion
- KELVIN® Advanced Competition Hovercraft Bulk Pack of 10
- KELVIN® Advanced Competition Hovercraft Bulk Pack of 20
- KELVIN® Advanced Competition Hovercraft Kit
- KELVIN® Advanced Earthquake Simulator
- KELVIN® Advanced Electronics Bin Filler
- KELVIN® Advanced Energy House Lab
- KELVIN® Advanced Maglev Kit
- KELVIN® Advanced Mechanical Engineering Bin Filler
- KELVIN® Advanced Motor Kit
- KELVIN® Advanced Submarine Design Challenge
- KELVIN® Advanced Super Capacitor Creepy Crawler Kit
- KELVIN® Aerospace Mini Module 1
- KELVIN® Aerospace Mini Module 2
- KELVIN® A-Frame Model House Framing
- KELVIN® Air Boat Bulk Pack
- KELVIN® Air Boat Kit
- KELVIN® Air Motor Car Bulk Pack
- KELVIN® Air Motor Car Kit
- KELVIN® Aircart HOP Kit
- KELVIN® American P 51 Mustang Historical PowerPole™ Plane
- KELVIN® Angle Guide for StiKutter™ Pro
- KELVIN® Assembled Active Solar & Space Heater Lab
- KELVIN® Audio Amplifier Booster Assembled Demo
- KELVIN® Audio Amplifier Booster Bulk Pack
- KELVIN® Audio Amplifier Booster Kit
- KELVIN® Audio Level Meter Assembled Demo
- KELVIN® Audio Level Meter Bulk Pack
- KELVIN® Audio Level Meter Kit
- KELVIN® Auto Safety Design Mini Module
- KELVIN® Balloon Car Bulk Pack
- KELVIN® Balloon Car Class Pack
- KELVIN® Balloon Car Kit
- KELVIN® Balloon Racer Bulk Pack
- KELVIN® Balloon Racer Kit
- KELVIN® Balsa Car Kit
- KELVIN® Balsa Mini Bin Filler
- KELVIN® Balsa StiKutter™ Class
- KELVIN® Basic 3™ Plus Trainer
- KELVIN® Basic 3™ Trainer - Revised 2025 Design
- KELVIN® Basic Car Platform Bulk Pack
- KELVIN® Basic Car Platform Kit
- KELVIN® Basic Lab Tools Panel
- KELVIN® Basic Maglev Kit
- KELVIN® Basic Safety Design Vehicle Kit
- KELVIN® Basswood Car Kit
- KELVIN® Battery Powered Creepy Crawler Kit
- KELVIN® Beams & Triangles™ Activity Guide
- KELVIN® Beams & Triangles™ Basic Consumables Bin Filler
- KELVIN® Beams & Triangles™ Cardstock, Axle Mount
- KELVIN® Beams & Triangles™ Cardstock, Triangle
- KELVIN® Beams & Triangles™ Class Package
- KELVIN® Beams & Triangles™ Deluxe Consumables Bin Filler
- KELVIN® Beams & Triangles™ Design Bulk Pack
- KELVIN® Beams & Triangles™ Design Kit
- KELVIN® Beams & Triangles™ Tools & Jigs Starter Kit
- KELVIN® Bedroom Design Lighting Pack
- KELVIN® Bedroom Design STEM Based Activity
- KELVIN® Bedroom Design STEM Based Activity Bulk Pack
- KELVIN® Beechcraft Bonanza Historical PowerPole™ Plane
- KELVIN® Bell Kit
- KELVIN® Belly Bear II™ Electronic Trainer
- KELVIN® Belly Bear II™ Electronic Trainer with Spanish Manual
- KELVIN® Belly Bear I™ Electronics Trainer
- KELVIN® Big Ear Assembled Demo
- KELVIN® Big Ear Bulk Pack
- KELVIN® Big Ear Kit
- KELVIN® Big Project Rear Wheel
- 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® 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™, 1 or 2 Lane
- KELVIN® ClassView Timer™, 1 or 2 Lane
- 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 50 Pack of 12 in. L Wood Blank (Pre-Drilled Axle & CO2 Cartridge Holes)
- KELVIN® CO2 Dragster Balsa Blank Bulk Pack (12 in. L; Pre-Drilled Axle & CO2 Cartridge Holes)
- KELVIN® CO2 Dragster Balsa Blanks Bulk Pack (12 in. L; Pre-Drilled Cartridge Hole ONLY)
- KELVIN® CO2 Dragster Basswood Blank (12 in. L; Pre-Drilled CO2 Cartridge Hole)
- KELVIN® CO2 Dragster Bulk Pack of Wood Blanks (12 in. L; Pre-Drilled Axle & CO2 Cartridge Holes)
- KELVIN® CO2 Dragster Bulk Pack w/ 10 in. L Balsa Blank (Pre-Drilled Axle & CO2 Cartridge Holes)
- KELVIN® CO2 Dragster Dual-Lane Racing Track
- KELVIN® CO2 Dragster Kit Bulk Pack w/ Wood Blanks (12 in. L; Pre-Drilled w/ Axle & CO2 Cartridge Holes)
- KELVIN® CO2 Dragster Kit Bulk Pack w/ 12 in. L w/ Basswood Blank (Pre-Drilled CO2 Cartridge Holes)
- KELVIN® CO2 Dragster Kit Bulk Pack w/ Balsa Blank (12 in. L; Pre-Drilled Axle & CO2 Cartridge Holes)
- KELVIN® CO2 Dragster Kit Bulk Pack w/ Balsa Blank (12 in. L; Pre-Drilled CO2 Cartridge Hole ONLY)
- KELVIN® CO2 Dragster Kit Bulk Pack w/ Wood Blank (12 in. L; Pre-Drilled CO2 Cartridge Hole ONLY)
- KELVIN® CO2 Dragster Kit w/ 12 in. L Basswood Blank (Pre-Drilled CO2 Cartridge Hole)
- KELVIN® CO2 Dragster Kit w/ Wood Blank (12 in. L; Pre-Drilled Axle & CO2 Cartridge Holes)
- KELVIN® CO2 Dragster Kit w/ Wood Blank (12 in. L; Pre-Drilled CO2 Cartridge Hole ONLY)
- KELVIN® CO2 Dragster Paint Jig
- KELVIN® CO2 Dragster Pine Wood Blank (12 in. L; Pre-Drilled CO2 Cartridge Hole)
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