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CrunchLabs Review: Engineering Toys for Hands-On Learners

CrunchLabs offers STEM subscription boxes and individual kits designed by Mark Rober, a former NASA engineer and YouTuber. The brand focuses on teaching kids and adults to think like engineers through hands-on building and problem-solving toys.

By The Growthory desk6 min read Updated Oct 3, 2026
CrunchLabs Review: Engineering Toys for Hands-On Learners

The short version

  • Subscription boxes provide ongoing engineering challenges and learning
  • Products designed by former NASA engineer Mark Rober
  • Standalone toy selection is small compared to subscription offerings
  • Best value requires committing to monthly subscription model

What You'll Find in the CrunchLabs Catalog

CrunchLabs carries a diverse range of products spanning toy kits, subscription boxes, and replacement parts. The catalog includes Build a Box Subscription options, Mysteries Subscription boxes, Hack Pack Subscription services, Creative Kit Subscriptions, and standalone toys across multiple product lines. Replacement parts are also available for customers who want to extend the life of their kits or customize builds. Prices range from entry-level items to premium subscription packages, so there's an option whether you're looking for a single gift or committing to ongoing monthly deliveries. The product selection reflects the company's mission to make engineering accessible and fun for both children and adults, with offerings designed to challenge different skill levels and interests.

Subscription Boxes and Build Kits Stand Out

The subscription offerings are the heart of CrunchLabs' appeal. The Build a Box, Mysteries Subscription, Hack Pack Subscription, and Creative Kit Subscription lines all provide recurring monthly deliveries of new building challenges and engineering projects. These subscriptions are designed to keep learners engaged over time with fresh content rather than a one-time toy experience. The kits themselves emphasize hands-on construction and problem-solving, with projects that range in complexity. Built by a team led by Mark Rober and housed in what the company describes as a factory in the San Francisco Bay Area, these subscriptions reflect genuine engineering expertise rather than generic STEM rebranding. If you're looking to build a habit of creative thinking rather than just buy a single toy, the subscription model is where CrunchLabs delivers the most value.

Limited Options for Impulse Buyers

The standalone toy selection, while present, is smaller than the subscription focus. With only 37 toys listed compared to 32 Build a Box Subscription options and multiple other recurring services, shoppers looking for quick gift purchases without commitment may find the selection narrower than expected. Additionally, because much of the brand's appeal centers on the engineering learning journey, individual toys are positioned as supplements rather than replacements for the core subscription experience. This isn't necessarily a weakness if you value ongoing engagement, but it does mean CrunchLabs works best for customers ready to commit to the brand's philosophy rather than casual buyers testing the waters.

Common questions

Who is behind CrunchLabs and what's their background?

CrunchLabs was founded by Mark Rober, a former NASA engineer who is also well known as a YouTuber. The company is led by Rober and his team of engineers, designers, and makers based at their facility in the San Francisco Bay Area in California. Rober's mission is to inspire children and adults to think like engineers through hands-on building and problem-solving.

What's included in a typical CrunchLabs subscription?

CrunchLabs offers several subscription types: Build a Box, Mysteries Subscription, Hack Pack Subscription, and Creative Kit Subscription. Each delivers monthly boxes with new engineering projects and building challenges. The kits are designed to teach engineering thinking through hands-on construction, with complexity varying across the different subscription lines to suit different ages and skill levels.

Where to buy

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CrunchLabsDirect from the brand — crunchlabs.com. Visit site

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