The Best Science Kits and Subscription Boxes for Kids in 2026

Updated · By Edulist · 10 sources

Our top picks

  1. Best overall subscription boxKiwiCoSee price
  2. Best chemistry kitsMEL Science$29.90/mo
  3. Best engineering box for ages 9–12Tinker CrateSee price

How we chose

  • Real science or engineering insideWe favored boxes where kids build working mechanisms or run genuine experiments and get an explanation of why it works.
  • Everything in the boxBoxes that include all materials and clear guides ranked higher, since supply runs kill momentum.
  • Right for a specific ageEach pick lists its age band so you can match siblings to the right line.
  • Honest subscription termsWe flag prepaid plans that can't be canceled early and auto-renewals, the most common complaints in public reviews.
  • Value per monthPrices come from each company's site as of October 2026; where prices only appear at checkout, we say so.

Rankings are editorial. Vendors can’t pay for placement. Prices and grades update from each listing.

Best overall subscription box

1. KiwiCo

Price
See site
Grades
Pre-K–12 · Adult
Type
Activity

KiwiCo sends a monthly project crate with every material and an illustrated guide, and its lines cover babies to adults: Kiwi Crate for ages 6 to 9, Tinker for 9 to 12, Eureka for teens and more. Families can pause, switch lines and get free US shipping. Per-crate prices vary by line and plan length and show at checkout. Prepaid plans can't be canceled mid-term, the top complaint in public reviews.

Pros

  • A line for every age, so siblings each fit
  • Everything needed is in the box
  • Free US shipping; pause or switch lines

Cons

  • Prepaid plans can't be canceled early
  • Prices only shown at checkout
  • No multi-child discount

Best for: Families who want one trusted brand for every kid

View KiwiCo details
Best chemistry kits

2. MEL Science

Price
$29.90/mo
Grades
K–12
Type
Activity, App

MEL Science is the most lab-like home kit subscription, especially MEL Chemistry, with real reagents certified safe for home use, a starter set, app videos and VR lessons that show reactions at the molecule level. Plans start at $29.90 a month, and the annual plan gives 12 months for the price of 8 (October 2026). Kits arrive without a strict curriculum order.

Pros

  • Real lab equipment and reagents
  • Clear app videos for each experiment
  • One-click pause or cancel

Cons

  • Expensive over a year
  • Individual kits can't be bought separately

Best for: Curious kids 8 and up who want real experiments

$29.90/mo
View MEL Science details
Best engineering box for ages 9–12

3. Tinker Crate

Price
See site
Grades
4–7
Type
Activity

Tinker Crate is KiwiCo's line for ages 9 to 12, with projects that use real mechanisms, motors and circuits plus a guide that explains the engineering behind each build. Kids can usually build with little adult help. It is billed monthly or prepaid for 3, 6 or 12 months, with the price shown at checkout and free US shipping. Prepaid plans can't be canceled early.

Pros

  • Real engineering ideas like linkages and motors
  • All materials included
  • Kids can build mostly on their own

Cons

  • Narrow 9-to-12 age band
  • Price per project adds up

Best for: Upper elementary builders and tinkerers

Best for geography and beginner science

4. Little Passports

Price
From $25/mo
Grades
Pre-K–5
Type
Activity

Little Passports sends monthly boxes with stories, activity booklets and projects. World Adventures explores a new country each month for ages 6 to 10, Early Explorers suits ages 3 to 5, and Science Junior (ages 5 to 8) and Science Expeditions (8 and up) cover beginner science experiments. World Adventures costs $32 month to month or $25 a month on a 12-month plan, with free contiguous US shipping and a 30-day guarantee (October 2026).

Pros

  • Geography, culture and science lines
  • Story-driven, kid-friendly booklets
  • Options from age 3

Cons

  • Lighter science than MEL or Tinker Crate
  • Auto-renews unless you turn it off

Best for: Kids 3 to 10 who love travel, maps and simple experiments

$32/mo
View Little Passports details
Best science magazine

5. National Geographic Kids

Price
From $3.25/mo
Grades
Pre-K–6
Type
App, Books

National Geographic Kids magazine brings animals, science and world cultures to kids in print with strong photography, and Nat Geo Little Kids serves ages 3 to 5. As of October 2026, Nat Geo Kids starts at $39 a year and Little Kids costs $54 a year. The free website adds articles, games and videos. It builds curiosity and reading, not lab skills.

Pros

  • Affordable, screen-free science reading
  • Strong photos and facts
  • Free companion website

Cons

  • No experiments included
  • Narrow age bands per magazine

Best for: Kids 3 to 12 who love animals and science facts

Best budget screen-free subscription

6. Highlights

Price
From $2/mo
Grades
Pre-K–6
Type
Books, Activity

Highlights magazines cost $48 a year ($4 an issue) with free shipping, with editions from Hello (ages 0 to 2) and High Five (2 to 6) to Highlights (6 to 12), each mixing stories, puzzles, science and crafts. The brainPLAY puzzle magazine is $24 a year. Activity boxes start at $15 to $20 for the first box. It is enrichment, not a science program.

Pros

  • Ad-free magazines for ages 0–12
  • Free shipping and a return guarantee
  • Bilingual High Five edition

Cons

  • Light on hands-on science
  • Renews until you cancel

Best for: Families who want a low-cost monthly treat that builds reading

$48/yr
View Highlights details

Quick comparison

PickAgesFormatPrice fromBest for
KiwiCo0–adultMonthly project crateShown at checkoutEvery age
MEL Science5+ (chemistry 8+)Monthly lab kit + app$29.90/moReal chemistry
Tinker Crate9–12Monthly engineering crateShown at checkoutEngineering builds
Little Passports3–10+Monthly activity box$25/mo (12-mo plan)Geography, beginner science
National Geographic Kids3–12Print magazine$39/yrScience reading
Highlights0–12Print magazine$48/yrBudget treat

Prices are US prices as of October 2026.

How to choose a science kit or subscription box

Match the box to your child's "science personality":

  • Builders who love to make things move: Tinker Crate or KiwiCo's Eureka line for teens.
  • Experimenters who want fizz, color changes and crystals: MEL Science.
  • Explorers who love maps, animals and places: Little Passports World Adventures or National Geographic Kids.
  • Little kids (3–6): Little Passports Early Explorers, KiwiCo's younger lines or Highlights High Five.

Check four things before you subscribe:

  1. Age band. Too young and kids are bored; too old and you'll end up building it yourself.
  2. Cancellation terms. KiwiCo's prepaid plans can't be canceled mid-term. Start month to month.
  3. Adult time. Chemistry kits and younger crates need an adult nearby; Tinker Crate kids often build alone.
  4. Siblings. KiwiCo offers no multi-child discount, so two crates means two subscriptions. A magazine can be shared.

Make the box count. Turn each project into a mini-lesson: have your child predict what will happen, build, test, and then explain why in a sentence or drawing. That simple routine turns a fun box into real science thinking.

Homeschoolers should use a box as enrichment next to a core program from the best homeschool science curriculum. Browse every science program and other enrichment in the directory.

What it costs (and how to get it funded)

  • Magazines: $39 to $54 a year (National Geographic Kids, Highlights).
  • Activity boxes: $25 to $32 a month for Little Passports, depending on plan length.
  • Lab kits: MEL Science from $29.90 a month, with the annual plan priced at 12 months for the cost of 8.
  • KiwiCo and Tinker Crate: per-crate prices vary by plan length and show at checkout; longer prepaid plans cost less per crate.

Some state education savings account programs treat science kits and supplies as allowed educational materials, while others limit purchases to curriculum or approved vendors. Arizona's ESA law, for example, lists curricula and supplementary materials. Each program decides, so check first. See scholarships by state, including Arizona and Florida, save your picks to your Edulist wishlist, and apply once.

Mistakes to avoid

  • Prepaying a year for an untested box. Try one or two months first.
  • Buying above your child's age. Frustration ends the habit fast.
  • Letting boxes pile up. Put "box day" on the calendar within a week of delivery.
  • Expecting a box to cover science. It's the fun part, not the whole course.

See all science curriculum →

Sources

  1. KiwiCo
  2. Kiwi Crate
  3. Tinker Crate
  4. KiwiCo: how do I cancel my subscription
  5. MEL Science (US)
  6. MEL Chemistry
  7. Little Passports
  8. Nat Geo Kids magazine subscriptions
  9. Highlights magazine subscriptions
  10. Arizona Revised Statutes 15-2402 (ESA allowable expenses)

Questions

What is the best subscription box for kids?

KiwiCo is the best overall because it has a line for every age and puts everything in the box. MEL Science is best for chemistry, Tinker Crate for engineering at ages 9 to 12, and Little Passports for geography.

Can a science subscription box replace homeschool science?

Not on its own. One project a month is great enrichment but won't cover a year of science. Pair a box with a curriculum from our list of the best homeschool science curriculum.

Can I cancel a KiwiCo subscription anytime?

Month-to-month plans can be canceled or paused, but prepaid 3-, 6- and 12-month plans can't be canceled mid-term. That is the most common complaint in public reviews, so choose monthly until you're sure.

Are science kits safe for kids?

The kits here are designed for home use, and MEL Science says its reagents are certified safe for home use. Follow the age guidance and have an adult nearby for chemistry experiments and anything with heat or small parts.

Keep your favorites together.

Browse learning products and save a wishlist on this device. Applications and pledges are not open.