- Hand Drill Press
- Hand Launch Controllers with Stereo Connection
- 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 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-Story House Framing Bulk Pack
- KELVIN 20 W Audio Amplifier Bulk Pack
- KELVIN Advanced Competition Hovercraft Bulk Pack of 10
- KELVIN Advanced Competition Hovercraft Bulk Pack of 20
- KELVIN Air Boat Bulk Pack
- KELVIN Air Motor Car Bulk Pack
- KELVIN Audio Amplifier Booster Bulk Pack
- KELVIN Audio Level Meter Bulk Pack
- KELVIN Balloon Car Bulk Pack
- KELVIN Balloon Car Class Pack
- KELVIN Balloon Racer Bulk Pack
- KELVIN Basic Car Platform Bulk Pack
- KELVIN Beams & Triangles Design Bulk Pack
- KELVIN Bedroom Design STEM Based Activity Bulk Pack
- KELVIN Big Ear Bulk Pack
- KELVIN Blinking LEDs Bulk Pack
- KELVIN Blue Bird Glider Bulk Pack
- KELVIN Bridge & Tower Bulk Pack
- KELVIN Bridge Bulk Pack w/ 1/16 x 1/8 in. Balsa Beams
- KELVIN Bridge Bulk Pack w/ 1/8 x 1/8 in. Balsa Beams
- KELVIN Brooklyn Bridge Bulk Pack
- KELVIN Build A Better Mousetrap Racer Bulk Pack
- KELVIN Build Your Own Large Catapult Bulk Pack
- KELVIN Build Your Own Small Catapult Bulk Pack
- KELVIN Bungalow Model House Framing Bulk Pack
- KELVIN Catapult Bulk Pack
- KELVIN Chain Reaction Contraption Bulk Pack
- KELVIN Clipper Glider w/ 13 in. Wingspan U-Design Bulk Pack
- KELVIN CO2 Dragster 10-3/4 in. L Balsa 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 Bulk Pack of Wood Blanks (12 in. L; Pre-Drilled Axle & CO2 Cartridge Holes)
- KELVIN CO2 Dragster Bulk Pack w/ 10-3/4 in. L Balsa Blank (Pre-Drilled Axle & CO2 Cartridge Holes)
- 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/ 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 Wood Blank Bulk Pack (12 in. L; Pre-Drilled CO2 Cartridge Hole ONLY)
- KELVIN Condor Glider Bulk Pack
- KELVIN Continuity Tester w/ Electric Buzzer Bulk Pack
- KELVIN Continuity Tester w/ LED Light & Mechanical Buzzer Bulk Pack
- KELVIN Continuity Tester w/ LED Light Bulk Pack
- KELVIN Decision Maker Bulk Pack
- KELVIN Decision Stick Bulk Pack
- KELVIN Design-A-Top Bulk Pack
- KELVIN Discover It Lighthouse Project Bulk Pack
- KELVIN Discover It Lighthouse Project Class Pack
- KELVIN Downhill Racer Performance Wood Car Bulk Pack
- KELVIN Dragster Essentials Bulk Pack - No Blank, No CO2 Cartridge
- KELVIN E.V. Racer Bulk Pack
- KELVIN Econobot Bulk Pack w/ Craft Sticks
- KELVIN Economical Build A Better Mousetrap Racer Bulk Pack
- KELVIN Economy Solar Car Bulk Pack
- KELVIN Electricity & Magnetism Motor Bulk Pack
- KELVIN Engineering Principles Hydraulic & Pneumatic Truck Bulk Pack
- KELVIN Engineering Principles Jet Balloon Car Bulk Pack
- KELVIN Engineering Principles Mousetrap Car Bulk Pack
- KELVIN Engineering Principles Packaging Design Bulk Pack
- 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 Solar Car Bulk Pack
- KELVIN Experimental Wind Turbine House Bulk Pack
- KELVIN Fiber Optic Alarm Chain Bulk Pack
- KELVIN Flashing & Adjustable Jumbo LED Bulk Pack
- KELVIN Foam Car Bulk Pack
- KELVIN Foam Glider Class Pack
- KELVIN Gear Box & Pulley Activity Bulk Pack
- KELVIN Genie Program It Activity Board Bulk Pack
- KELVIN GR Cruiser Car Bulk Pack
- KELVIN Hands-On Science Telegraph & Buzzer Bulk Pack
- KELVIN Hollywood Marquee Bulk Pack
- KELVIN Hovercraft Racer Bulk Pack
- KELVIN Hydroelectric Turbine Generator Bulk Pack
- KELVIN Hyperloop Experimental Vehicle Kit Bulk Pack
- KELVIN K1 Balsa Racing Car for CO2 Bulk Pack
- KELVIN K2 Air-Powered Balsa Racing Car Bulk Pack
- 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 10 (Wood Blanks are 10 in. L w/ Pre-Drilled Air Input & Axle Holes)
- KELVIN Kel-Air No CO2 Dragster Bulk Pack of 25 Kits (Balsa Blanks are 10 in. L w/ Pre-Drilled Air Input & Axle Holes)
- 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 Poplar Wood Blank Pack of 25 (7-1/2 in. L, Pre-Drilled Air Input Hole)
- KELVIN Kel-Air No CO2 Dragster Wood Blank Pack of 100 (10 in. L, NO HOLES)
- 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 KGB Ear Bulk Pack
- KELVIN Kite Parts Bulk Pack
- KELVIN Kre8 Air-Propelled Racing Car Bulk Pack
- KELVIN Kre8 Bridge Bulk Pack
- KELVIN Kre8 Catapult Bulk Pack
- KELVIN Kre8 Curiosity Rover Bulk Pack
- KELVIN Kre8 Electric Racer Bulk Pack
- KELVIN Kre8 Mars Rover Bulk Pack
- KELVIN Kre8 Safety Propellers Pack of 20
- KELVIN Kre8 Solar Racer Bulk Pack
- KELVIN Kre8 Wind Generator Bulk Pack
- KELVIN Lamp Bulk Pack
- KELVIN Lift-Push Hovercraft Bulk Pack
- KELVIN Light Activated Circuit Bulk Pack
- KELVIN Light Project Bulk Pack
- KELVIN Metal Detector Bulk Pack
- KELVIN Metal Stud Finder Bulk Pack
- KELVIN Micro-Mazer Bulk Pack
- KELVIN Mini LED Flashlight Bulk Pack
- KELVIN Moisture Sensor Bulk Pack
- KELVIN Monsters Vehicle Bulk Pack
- KELVIN Motor Boat Bulk Pack
- KELVIN Motor Generator Bulk Pack
- KELVIN Motor Speed Control Bulk Pack
- KELVIN Mousetrap Catapult Class Pack
- KELVIN Night Light Bulk Pack
- KELVIN Number Picker Bulk Pack
- KELVIN PaceMaker Bulk Pack
- KELVIN Penny Racer Foam Car w/ Split Base Bulk Pack
- KELVIN Police Siren Bulk Pack
- KELVIN Pontoon Boat Bulk Pack
- KELVIN Power Grid Mini Model Homes Bulk Pack
- KELVIN PowerPole Plane Bulk Pack
- KELVIN Pre-Cut Rubber Band Plane Bulk Pack
- KELVIN Pre-Cut Rubber Band Plane Class Pack
- KELVIN Pre-Shaped Foam Glider Bulk Pack
- KELVIN Pre-Shaped Foam Glider Class Pack
- KELVIN Propeller Boat Bulk Pack
- KELVIN Pulley Driven XL Mousetrap Racer Bulk Pack
- KELVIN Rat Racer Economical Bulk Pack
- KELVIN RBTP Rubber Band Power Plane Bulk Pack
- KELVIN Reaction Tester Bulk Pack
- KELVIN Reverse Engineering A Flashlight Bulk Pack
- KELVIN Rocket Scientist Consumables Bulk Pack
- KELVIN Roof Framing Bulk Pack
- KELVIN Rubber Band & Propeller Car Bulk Pack
- KELVIN Rubber Band & Propeller Car Bulk Pack w/ Pre-Cut Wood
- KELVIN Rubber Band & Propeller Car Class Pack
- KELVIN Rubber Band & Tissue Paper Glider Bulk Pack
- KELVIN Rubber Band Build-A-Better Racer Economy Bulk Pack
- KELVIN Rubber Band Powered Build-A-Better Racer Designer Bulk Pack
- KELVIN Rubber Band Powered Plane Bulk Pack
- KELVIN Skyrider Balsa Glider Class Pack
- KELVIN Solar Boat Bulk Pack
- KELVIN Solar Cell & Battery Boat Bulk Pack
- KELVIN Solar Dragster Bulk Pack
- KELVIN Solar Monster Truck Bulk Pack
- KELVIN Solar Racer Bulk Pack w/ Plastic Base
- KELVIN Solar Racer Bulk Pack w/ Wood Base
- KELVIN Solar Sedan Bulk Pack
- KELVIN Sound Activated Circuit Bulk Pack
- KELVIN Strobe Light Bulk Pack
- KELVIN Sturg DC Motor Bulk Pack
- KELVIN Suez Canal Bridge Bulk Pack
- KELVIN Super Capacitor Hovercraft Bulk Pack
- KELVIN Super Capacitor Plane Bulk Pack
- KELVIN Super Racer 20 F Bulk Pack
- KELVIN Temperature Control Bulk Pack
- KELVIN The NEXT Maglev Racer Adv. Vehicle Keel Bulk Pack
- KELVIN The NEXT Maglev Racer Basic Vehicle Keel Bulk Pack
- KELVIN Touch Control Circuit Bulk Pack
- KELVIN Tower Crane Team Pack
- KELVIN Towers & Skyscrapers Bulk Pack
- KELVIN Trebuchet Bulk Pack
- KELVIN Universal Maglev Base Bulk Pack
- KELVIN Universal Maglev Base Class Pack
- KELVIN Vehicle Parts Bulk Pack
- KELVIN Water Level Meter Bulk Pack
- KELVIN Wheel of Fortune Bulk Pack
- KELVIN Wind Turbine Hardware Bulk Pack
- KELVIN Wireless Microphone Bulk Pack
- KELVIN Wright Bros. Foam Plane Bulk Pack
- KELVIN Wright Bros. Replica Plane Bulk Pack for PowerPole 2010
- 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® 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 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
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