
Thames & Kosmos
Hydroponics Lab
The kit supplies the greenhouse, wicks, cotton, seeds, measuring tools and 32-page manual.
Ages 8+
Estimated range $15–$30
Suggested starting ages describe our collections. Each item shows the maker’s age guidance where available. Older beginners can start small, too.
Seed growing
Assemble a small hydroponic greenhouse with an adult, then grow the supplied salad-green varieties. Cotton, wicks and a measuring cup replace the soil setup used in the younger kits.
Suggested start: Ages 10–15Build and observe a soil-free growing system with several seed varieties.

Thames & Kosmos
The kit supplies the greenhouse, wicks, cotton, seeds, measuring tools and 32-page manual.
Ages 8+Choose 2–4 toys. Compare the stated facts, then check the retailer’s listing.
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