Nick and Tesla's high-voltage danger lab

Name: Nick and Tesla's high-voltage danger lab
Author: Bob Pflugfelder
ISBN: 9781594746482

Age Rating, Reading Level & Content Guide

A Mystery with Electromagnets, Burglar Alarms, and Other Gadgets You Can Build Yourself

by Bob Pflugfelder

Reading Level 3-4 LE · Mild · Emotional Ages 5-8 Matched

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. Its HootRating code, LE, means mild content, mostly emotional.

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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

ScienceAdventure Family FriendshipJuvenile fiction

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 LE (Mild)

Nick and Tesla's high-voltage danger lab is written at a Level 3-4 reading level across 237 pages. Reading-wise, most kids in grade 5 and up can manage Nick and Tesla's high-voltage danger lab on their own; younger readers can enjoy it with a parent or teacher reading along.

We rate Nick and Tesla's high-voltage danger lab as LE (Mild, mostly 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.
✓ Kids drawn to stories about science, adventure, family.

Maybe not for

! Readers looking for something heavier — this is a gentle, low-stakes story by design.

For Parents

Content Intensity

LE · Mild · Emotional

Emotional

Mild ←

Physical

Mild

Social

Gentle

Thematic

Mild

Reading the HootRating code: the first letter is the content intensity (C = Gentle · L = Mild · M = Moderate · I = Intense · V = Very Intense); the second, when there is one, is the kind of content that drives it (E = Emotional · P = Physical · S = Social · T = Thematic). Reading level and age range are rated separately. How we rate

Light conflict or tension. Mild peril resolved quickly.

Data confidence: high

Was our "Mild" content intensity rating accurate for this book?