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Nick and Tesla's high-voltage danger lab
Bob Pflugfelder
Nick and Tesla's high-voltage danger lab
Age Rating, Reading Level & Content Guide
A Mystery with Electromagnets, Burglar Alarms, and Other Gadgets You Can Build Yourself
by Bob Pflugfelder
The text is written at a 3rd grade reading level, the subject matter is intended for younger children (ages 5–8), and the content is mild with minimal sensitive material.
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About This Book
Nick and Tesla race through their uncle's cluttered workshop, sparks flying from a wild invention! Just as they flip a switch, a loud crash echoes—did they just trigger a secret alarm? Suddenly, everything changes, and the real adventure begins.
Themes
Quick Assessment
This early reader introduces bright siblings Nick and Tesla, who use their curiosity and science skills to create inventive gadgets while navigating exciting adventures. The book combines engaging storytelling with practical STEM projects suitable for children aged 5-8, encouraging hands-on learning without intense peril or mature themes.
Why we rated Nick and Tesla's high-voltage danger lab 8LE
Nick and Tesla's high-voltage danger lab is written at a Level 3-4 reading level with a Lexile measure of 680L across 237 pages. Strong independent readers around grade 4.5 can typically handle this book on their own; with parent or teacher support, Nick and Tesla's high-voltage danger lab works for readers up to grade 5.5.
We rate Nick and Tesla's high-voltage danger lab as 8LE ("Light — Emotional") because the content sits in the "Mild" range — mild conflict — the kind a child encounters in normal play and sibling life. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly mild; no single dimension stands out as a concern.
No specific content flags were raised by community reviewers, which is consistent with the mild intensity score.
Thematically, Nick and Tesla's high-voltage danger lab explores science, adventure, family, friendship, and juvenile fiction — these threads give the book room to mean different things to different readers.
Good fit for
- ✓ Children in the Ages 5-8 range — the maturity and attention span match the story's pacing.
- ✓ Patient readers who enjoy slower, character-driven stories.
- ✓ Kids drawn to stories about science, adventure, family.
Maybe not for
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
For Parents
Content Intensity
8LE — Light — EmotionalLight conflict or tension. Mild peril resolved quickly.
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
2/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
2/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9781594746482
- Pages
- 237
- Publisher
- National Geographic Books
- Published
- 2013
- Type
- Fiction
- Lexile
- 680L