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Thames & Kosmos

Hydroponics Lab

For a curious child who likes watching things grow; it teaches plant science with real edible results.

American brand

Where to buy

We do not sell this. These are the shops where we checked it, by country. Prices change; the shop's page is always the final word.

Sold to: United States. We may earn a commission if you buy through these links. How we make money

Why it made our lists

  • Christmas gifts in the US

    A kit to build a small hydroponic greenhouse and grow salad greens without soil. For a curious kid who likes watching things grow over winter break. Growing takes weeks, so it suits patient kids.

  • Gifts for kids

    Kids build a small greenhouse and grow salad greens without soil, then eat the harvest. Growing takes several weeks, so it suits a patient child more than one who wants results by dinner.

  • Gifts for gardeners

    For a child who likes watching things grow, with real edible results at the end. Growing takes several weeks, so it suits a patient kid more than one who wants results by Sunday.

What it is

Science kit to build a small hydroponic greenhouse and grow three varieties of salad greens without soil. The manual covers how the plants thrive, sorting seeds and identifying seedlings, plus using the harvest in simple dishes.

A kit for building a small soil-free greenhouse and growing three kinds of salad greens in water with wicks. A 32-page manual covers assembly, sorting seeds, spotting seedlings, keeping plants healthy and using the harvest in simple dishes. It includes a pipette, magnifier and measuring cup for the experiments. It is rated for ages 8 and up and needs no batteries. The manual has 16 experiments across its 32 pages, from seed sorting to harvest.

The details

Ages
8 and up
Experiments
16
Pieces
23
Manual
32 pages
Batteries
None needed
Box size
9.7 x 11.5 x 3.5 in; 1.1 lb

In the box

  • Hydroponic greenhouse
  • Cotton balls and wicks
  • Pipette
  • Magnifying glass
  • Measuring cup
  • Seed packet with three salad greens

From the shop's product page, read October 3, 2026.

Worth knowing

Growing takes several weeks, so it suits patient kids more than ones wanting instant results.

Skip if they want fast results, since growing greens from seed takes weeks.

Good for
Kid (3–8), Tween (9–12), Grandparent
Interests
Science & STEM, Gardening & plants
Occasions
Christmas, Birthday
Age
8+

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