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Best ESA-Eligible STEM Kits 2026: Top 3 Compared

By Carrie Bryson ·

Best ESA-Eligible STEM Kits 2026: Top 3 Compared

If you have Education Savings Account funds and you want a hands-on science subscription, the first question is simple: which kits are actually eligible, and which one gives your child the most science per box? Here is a concrete, no-spin comparison of three options in 2026.

Can you use ESA funds for a STEM subscription box?

Yes, with the right vendor. Many state ESA and education-funding programs cover science curriculum and supplies when the vendor is approved or provides the documentation programs require (a W-9 and itemized receipts). The catch is that most of the biggest consumer STEM brands do not hold a consumer-facing ESA position, so eligibility varies widely by brand.

STEM Discovery Boxes vs KiwiCo vs MEL Science

FactorSTEM Discovery BoxesKiwiCoMEL Science
Projects per box3 complete projectsTypically 1 per crateTypically 1 to 2 experiments
Supplies includedYes, pre-portioned per projectYesYes
StandardsNGSS and Common Core alignedNGSS-aligned (school line)Science-focused
Consumer-facing ESA positionFundable through major ESA programsNot consumer-facingESA marketplace wall
Ages5 to 12+Age-tiered linesFamily plus school track

The honest summary: KiwiCo is the category leader on range and brand, and MEL Science is the most direct ESA competitor. STEM Discovery Boxes wins on two specifics that matter for funded buyers: three complete projects per box instead of one, and a deeper named-program ESA list.

Which programs can fund STEM Discovery Boxes?

Step Up for Students (SUFS, Florida), ClassWallet, Arizona ESA, Texas Education Freedom Account (TEFA), Georgia Promise, Louisiana LA GATOR, South Carolina ESTF, Utah Fits All, and the NYC Public Schools vendor pathway, among others. Each program has its own eligibility and redemption steps, covered on the per-program pages.

How to choose

  • If you want the most science per dollar and ESA breadth, STEM Discovery Boxes ships 3 complete projects per box and is fundable through major ESA and education-funding programs.
  • If you want the widest age range and a large project library, KiwiCo is strong.
  • If chemistry depth is the priority, MEL Science is worth a look.

Ready to use your funds? See the ESA programs and how to redeem, or start a family subscription.

Parents' Choice Approved, 2019

Parents' Choice Approved, 2019. 3 projects plus 3 science lessons per box, all supplies included, NGSS aligned.

Look Inside a Box

What your child builds

Real builds they can't wait to try

A sample of the hands-on projects inside recent boxes. All supplies are included, even the batteries.

  • CO2 Rocket

    Have a "blast" launching your own mini rocket while learning about chemical reactions and thrust. Ages 7 to 12.

  • Solar System Model

    Assemble and paint your own solar system model while learning about planets, stars, orbits, and their place in space. Ages 7 to 12.

  • Motorized Whale

    Build a motorized whale that drives on land and floats on water while learning about circuits and buoyancy. Ages 7 to 12.

  • Optical Illusion

    Create a floating 3D image and colorful spinning tops while exploring how optical illusions trick your brain. Ages 5 to 12+.

Use your ESA funds on hands-on science

Fundable through major ESA and education-funding programs. Itemized receipts, W-9 on request. 3 projects plus 3 lessons per box.