I read somewhere that this was an Amazon exclusive set . . .Does anyone know if this is true or not?

No this is not an Amazon exclusive item. I was able to find it on other online vendors.

Can you build a polygraph with this kit?

Yes, you will find the project on page 50 of the manual Project #108 - 110

is the snap circuits 203 electronics kits about the same as the snap circuits 100?

The SC203 includes only a few of the same parts included in the SC100. But both kits have offer a different parts set & projects for you to enjoy. Please contact us at support@elenco.com and we can provide digital copies of the manuals so you can take a peek on what each kit offers.

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Elenco Snap Circuits 203 Electronics Exploration Kit | Over 200 STEM Projects | Full Color Project Manual | 42 Snap Modules | Unlimited Fun

Elenco Snap Circuits 203 Electronics Exploration Kit | Over 200 STEM Projects | Full Color Project Manual | 42 Snap Modules | Unlimited Fun

Product ID: 276253264

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Details

Size
Plus
Brand
Snap Circuits
Theme
Number
Age range (description)
Kid
Item dimensions L x W x H
38.1 x 5.6 x

⚡203 hands-on STEM projects

📘Full-color illustrated manual included

🔧42 snap-together modules, no tools needed

Description

⚡ Snap into STEM mastery—build, learn, impress!

COMPREHENSIVE LEARNING KIT - Includes 42 durable snap modules and a vibrant, easy-to-follow project manual for seamless exploration.
SNAP LEARN WITH ZERO TOOLS - Build complex circuits effortlessly—no soldering or tools required, just snap and go!
TRUSTED LEGACY OF INNOVATION - From Elenco, pioneers in educational electronics for over 40 years, ensuring quality and fun.
DESIGNED FOR LIFELONG CURIOSITY - Perfect for ages 8+, this kit nurtures creativity and engineering passion from childhood onward.
MASTER 203 REAL WORLD ELECTRONICS PROJECTS - Dive into over 200 engaging STEM challenges that sharpen your analytical and problem-solving skills.

The Elenco Snap Circuits 203 Electronics Exploration Kit offers over 200 hands-on STEM projects using 42 snap-together modules and a full-color manual. Designed for ages 8 and up, it requires no tools or soldering, providing an accessible, educational experience that develops critical thinking and electronics skills. Backed by Elenco’s 40+ years of expertise, this kit is a must-have for aspiring engineers and curious minds.

Specifications

Product Dimensions	38.1 x 5.59 x 30.48 cm; 990 g
Batteries	3 AA batteries required.
Manufacturer recommended age	8 years and up
Item model number	CM-200
Educational Objective(s)	STEM
Assembly Required	No
Batteries Required?	Yes
Batteries Included?	No
tech_spec_battery_description_toys	Alkaline
Material Type(s)	Plastic Metal
Remote Control Included?	No
Color	Multi-color
Release date	1 January 2016
ASIN	B00P871NOW

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