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M30 Analog Proximity Sensor, 4 to 20 mA output

$ 43.07 $ 25.84

Elenco Snap Circuits SC-500R Student-Teacher Training Program Brand New

$ 74.79 $ 44.87

DELUXE ELECTRONICS LAB Build 20 Projects Included 2005 SCHOLASTIC - New Open Box

$ 22.74 $ 13.64

HiFiBerry Case III (Universal, Clear)

$ 15.79 $ 9.47

Snap Circuits Skill Builder Gamify Create 185 Projects Complete Used

$ 21.95 $ 13.17

Pre Owned SNAP CIRCUITS Beginner Electronic Discovery Kit Science Kit -AGES 5-9

$ 4.4 $ 2.64

HEXBUG BattleBots Build Your Own BattleBox Battle Strategy Kit

$ 57.2 $ 34.32

Elenco Snap Circuits Jr. SC-100 - Build Over 100 Exciting Projects Complete

$ 12.76 $ 7.65

Velleman FM Radio Construction Mini Kit MK118RS

$ 13.2 $ 7.91

LOT OF 65 Snap Circuits Parts Pieces + 3 Books / Manuals

$ 24.9 $ 14.94

Chaney Opto Electronics Projects Kit Deluxe Exploration Communications DIY C6763

$ 17.6 $ 10.56

Snap Circuits Sound SCS-185 Complete

$ 36.95 $ 22.17

Snap Circuits 203 Electronics Exploration Kit | Over 200 STEM Projects | 4-Color

$ 42.93 $ 25.76

Connex Crocodile Snap Educational Children’s Toy - Science and Creativity

$ 17.59 $ 10.55

Amerikit AK-870 Radio Control Car Kit - Vintage / Sealed Kids Starter Build Kit

$ 30.79 $ 18.47

mePed v2 Quadruped Walking Arduino Robot - Complete Kit

$ 70.35 $ 42.21

New DIY Magnetic Levitation Kit Push Type Magnetic Suspension Simulation System

$ 29.92 $ 17.95

Plasma Ball Light 6" inch Interactive Touch Responsive Tesla Coil W/Sound Mode

$ 25.33 $ 15.2

VELLEMAN MLP106 MadLab Lie Detector DIY Electronic Kit

$ 10.55 $ 6.33

Variable Speed Motor - plug and play - From Van De Graaf Generator

$ 44 $ 26.4

Motors and Generators Educational Science Kit Thames & Kosmos 25 Experiments NIB

$ 17.5 $ 10.5

Science Fair Radio Shack No 28-147 60 Projects Electronics Blocks Vintage 1994

$ 35.2 $ 21.12

Snap Circuits SCL-175 Lights Electronics Exploration Kit - Multi- Color Elenco

$ 19.35 $ 11.61

Movit Robottocs Moon Walker 2 Model. Age 10 and Up. Build it Yourself

$ 11.44 $ 6.86

*Complete* Snap Circuits Light 55 Pcs 175 Projects Elenco Model SCL-175 2012

$ 26.35 $ 15.81

Smart Lab You Build It Voice Changer 2004 Homeschool Educational Toy

$ 15.69 $ 9.41

meArm Mini Robotic Factory Arm - Deluxe Servo Wood Fastener Kit Arduino uArm

$ 35.15 $ 21.09

4M MOTORIZED ELECTRIC DRAGSTER ~ FUN MECHANICS KIT ~ KIDS SCIENCE CRAFT MODEL

$ 7.99 $ 4.79

Lot New 4M KidzLabs 2 Robots and 1 Mega Brands Graphic Skinz Design Studio

$ 19.8 $ 11.88

Thames & Kosmos Easy Electric Circuits STEM Kit | Essential Circuitry Set | 15

$ 30.17 $ 18.1

1972 Science Fair 100 In 1 Electronic Project Kit - Radio Shack Tandy - VINTAGE!

$ 13.2 $ 7.91

1996 Super Levitron Amazing Anti-Gravity Top Levitating Magnetic "It's science"

$ 30.79 $ 18.47

Motors and Generators Educational Science Kit Thames & Kosmos 665036

$ 17.59 $ 10.55

Tech Will Save Us BBC Micro:bit Go BUNDLE Educational STEM Robot Coding

$ 26.39 $ 15.83

Sillbird STEM 12-in-1 Education Solar Robot Toys -190 Pieces DIY Creation Kit

$ 21.99 $ 13.19

Radio Shack's "Science Fair 60 In One...Electronic Project Lab"

$ 16.49 $ 9.89

Snap Circuits Flying Saucer Plus - Build UFO Launcher

$ 19.31 $ 11.58

Science Wiz Electricity Kit Project In Electricity Ages Six And Up New

$ 13.68 $ 8.21

Discover Coding Snap Circuits Electronics Learning STEM Educational SCD303

$ 63.35 $ 38.01

Electronic Playground & Learning Center Elenco Learn By Doing, with Manual

$ 4.4 $ 2.64

SNAP CIRCUITS Elenco NPN Transitor (Q2), Part # 6SCQ2

$ 2.19 $ 1.31

Velleman MK121NTSCRS TV Tennis Game electronics kit RadioShack

$ 8.79 $ 5.27

24V low voltage flat panel music Tesla line lightning generator experiment

$ 27.27 $ 16.36

Handmade Vintage Science Lab Radio Project As IS Speaker Copper Wire Amplifier

$ 30.8 $ 18.48

ELENCO Snap Circuits Jr.� 100 Experiments Electronics Discovery Kit

$ 11 $ 6.6

Remote Control Machines Construction Kit By Thames & Kosmos (NEW) Complete 2010

$ 21.91 $ 13.14

Vintage Science Fair Psychostrobe Light

$ 26.4 $ 15.83

Remote Control Machines Construction Kit By Thames & Kosmos (NEW) Complete 2010

$ 23.85 $ 14.31

CHIBITRONICS Love To Code Chip STARTER KIT Chibi LIGHTS Stickers MICROCONTROLLER

$ 77.43 $ 46.45

Sparkfun Arduino Electronics Inventor Kit with extras

$ 23.71 $ 14.22

(RESTORING ELECTRONICS) MODERN ELECTRONIC CIRCUITS REFERENCE MANUAL 3,630 circ.

$ 7.81 $ 4.68

Vintage Radio Shack 276-1576 Build Your Own PC Board Kit Used

$ 12.21 $ 7.32

PriPara Puripasu idle link sherbet lavender from Japan

$ 72.03 $ 43.22

Snap Circuits Basic Electricity and Electronics Exploration Kit

$ 19.31 $ 11.58

Learning Mates Electricity & Magnetic Combination Kit NIB

$ 10.85 $ 6.51

Elenco Electronics AK-700/PT-323K Pulse/Tone Telephone Kit unopened

$ 3.52 $ 2.11

Mini Classic Gap Spark Tesla Coil Artificial Lightning Generator Arc Fountain

$ 64.23 $ 38.53

Electronic Snap Circuits Multiple Parts, Pieces Lot w/Books FREE SHIPPING

$ 25.47 $ 15.28

Lot Elenco Snap Circuits Replacement Parts Pieces Books Base Grids Connectors

$ 13.2 $ 7.91

STEM Educational Kit Small World Science Young Engineer Metal Detector Lab New

$ 39.6 $ 23.76

Elenco TTR-892 KING LIZARD ROBOT Completed, Moves & Lights Up, STEM, Works VG

$ 8.79 $ 5.27

ELENCO SNAP CIRCUITS Set of 5 Capacitors C1-C5: .02, 0.1, 10, 100, & 470 uF

$ 13.19 $ 7.91

Snap Circuits Jr. Electronics Learning Kit, Complete, Barely Used, Original Box

$ 1.76 $ 1.05

Solar Sports Racer Kit, Homeschool, Science Projects, Experiments

$ 11.43 $ 6.85

Little Jammer Special Cartridge 6 Cinema Selection F/S w/Tracking# Japan New

$ 114.55 $ 68.73

Thames & Kosmos 620375 Robotics Smart Machines Science Kit, NEW, OPEN BOX

$ 41.36 $ 24.81

One Chip AM Radio Kit

$ 8.79 $ 5.27

Elenco Power Tech Science Series - Electrics & Electricity 80+ Activities NEW

$ 8.78 $ 5.26

Make: Ultimate Microcontroller Pack 100+ Componets Open Box/New

$ 79.2 $ 47.52

NSI Computer Logic Lab in the Box w/ Manual and Wires Toy Vintage 1985 50 logic

$ 20.23 $ 12.13

Electronic Snap Kits 750 Project Radio Shack 28-288 Electronics Kit 303 ~ NEW

$ 33.44 $ 20.06

New DIY Magnetic Levitation Kit Push Type Magnetic Suspension Simulation System

$ 29.92 $ 17.95

4M Green Science Tin Can Robot DIY Kids, Fun Mechanics Kit New in Box Sealed

$ 7.87 $ 4.72

ELENCO FM-88K FM AUTO SCAN RADIO KIT soldering version

$ 16.71 $ 10.02

Elenco Power Tech Science Series - Electrics & Electricity 80+ Activities NEW

$ 13.19 $ 7.91

Elenco, Electronic Snap Kit, Electronics 303 build over 750 projects

$ 35.17 $ 21.1

Science Kit Slinky Science Mini Labs Crystal Radio Built, collectible

$ 15.83 $ 9.49

5 Set STEM Kit,DC Motors Electronic Assembly Robotic Kit DIY STEM Toys for

$ 29.65 $ 17.79

Potato Clock Science Experiment Kit Green Battery Home School Science Project

$ 8.71 $ 5.22

mePed v2 Quadruped Walking Arduino Robot - Wood Kit

$ 19.31 $ 11.58

VINTAGE Science Fair 200 In One Electronic Project Lab Cat. No. 28-265 MANUAL

$ 30.79 $ 18.47

Elenco SC-BRIC1 Snap Circuits Bric: Structures Electronics Kit

$ 22.88 $ 13.72

Elenco Snap Circuits Extreme Model SC-750 Over 750 Projects

$ 43.99 $ 26.39

Mecho Motorized Clawbot kit by 4M Kidzlabs SEALED

$ 8.75 $ 5.25

BUILD IT Half Watt Amplifier From RadioShack DIY Kit #2770350 Free Shipping

$ 8.78 $ 5.26

Tin Can Robot Green Science Fun Mechanics Kit - Used

$ 6.83 $ 4.1

Snap Circuts Jr. Model SC-100 Elenco Electronics Full Set + 51 Extra Parts Age 8

$ 31.67 $ 19

VTG 1980 Radio Shack Science Fair 50 in One Project Kit 28-227 replacement cards

$ 5.26 $ 3.15

Elenco Snap Circuits Light Model SCL-175 Complete Set

$ 21.12 $ 12.67

NEW CircuitMess Makerphone 2G DIY Mobile Phone Kit Green Circuit Mess Maker

$ 105.59 $ 63.35

3-IN-1 SOLAR KIT EDUCATIONAL ROBOTICS VIBE ROBOT TANK SCORPION VETG-553-SOL

$ 9.64 $ 5.78

1975 Science Fair Solar Power Electronic Lab Kit by Radio Shack Cat. No. 28-246

$ 14.08 $ 8.44

Discovery Toys Anti-Gravity Magnetic Science NEW

$ 1.76 $ 1.05

Graymark 1500 Cabinet

$ 6.34 $ 3.8

Science Wiz Inventions Kit - Great Educational Toy - New in Box!

$ 15.62 $ 9.37

Snap Circuits Replacement Parts 6SCJ1, 6SCJ2 Black Red Jumper Wires

$ 10.55 $ 6.33

ELENCO ELECTRONIC PLAYGROUND & LEARNING CENTER MODEL EP-130 WITH MANUAL & BOX

$ 34.31 $ 20.58

Vernier Software and Technology KidWind Solar Thermal Exploration Kit

$ 44 $ 26.4

Connex Build-it Yourself Robotic Spider Action Walking Mechanical Spider Ages 8+

$ 19.35 $ 11.61

Intermediate Experience Movit 938 Navius Electronic Educational Kit

$ 43.12 $ 25.87