SNAP CIRCUITS Jr. SC-100 STEM Electronics Kit
- 100+ projects in the project manual
- Ages 8 and up
- 28 snap components listed (30+ elsewhere)
- No soldering, snap-together parts on a grid
- Numbered, color-coded pieces
- Alkaline batteries listed
Last refreshed Oct 3, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A beginner electronics kit that snaps real circuit parts together with no soldering. The listing counts the pieces three different ways.
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ASIN: B00008BFZHModel: SC-100Category: Science Kits & Toys
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Overview
A child's desk becomes a circuit workshop with this kit, where snap wires, slide switches, an alarm circuit, a music circuit and a speaker click onto a plastic grid. A project manual with large color pictures guides each build.
The kit teaches how circuits work through projects like a musical doorbell or a sound-activated switch. The listing is sloppy, though: it gives different component counts, an age field that reads months, and does not say how many batteries are needed.
Who it's for
Curious children who like step-by-step builds will use the illustrated manual and color-coded parts. Older teens wanting a more open-ended kit will outgrow it.
Pros and cons
- No soldering needed
- Parts numbered and color-coded
- Illustrated project manual
- Over one hundred projects
- Component counts inconsistent
- Battery count not listed
- Age field reads months, not years
Performance notes
Parts press together on the grid in the order the manual shows, and each project makes a working circuit with a lamp, siren or music output. Numbering and color coding cut the time spent finding the right piece. Power comes from batteries described as alkaline.
Where it stands among science kits & toys
- #2 most-searched brand and model of the 9 science kits & toys lines we track (by search demand, not sales).
From the specs of the 13 science kits & toys we list; not a test result.
Specifications
| Brand | Snap Circuits |
|---|---|
| Model | SC-100 |
| Dimensions & fit | |
| Item dimensions | 12 x 9.5 x 1.75 inches |
| Item weight | 640 g |
| Power & efficiency | |
| Batteries | Alkaline |
| Construction & materials | |
| Material | Plastic |
| Included components | |
| Included components | Snap modules, snap grid, 4-color project manual |
| Components | 28 (also listed as 30+ and 32) |
| Other details | |
| Recommended age | 8 years and older (listing field says 8 months) |
| Projects | 100+ |
Frequently asked questions
Is Snap Circuits Jr a soldering kit?
No. The parts snap together on the plastic grid, and the description says no soldering is required.
What age is the SC-100 for?
The description says 8 years and older. One spec field reads 8 months, which looks like an error.
What projects can I build?
The listing names a sound-activated switch, a musical doorbell, a voice-controlled lamp, a flying saucer and a light police siren.