KidShortlist
Harmony · Backless booster

Harmony Youth Booster Elite

No tester has given this product a score we can put on our scale.

Tested for US & Canada
–
Shortlist score
No scored test

Where to buy

This seat is certified for US & Canada. Car seats may only be used in the market they're approved for, so we don't link to shops in Czechia.

Test results

Each score as the tester published it, converted to our 0–100 scale. Weight is how much the result counts towards the score.

Car Seats for the Littles US · Editorial review
Car Seats for the Littles: Recommended Seats USA, 2026
Recommended
Pick or pass/fail. Shown, not scored.
CSFTL recommended-seats list (CPST editorial picks); section last modified February 16, 2026
View on csftl.org ↗

Also recommended: Car Seats for the Littles: Recommended.

Top-ranked alternatives

How we turn these into one number: methodology. Tested in 2026.

KidShortlist

We don't test products ourselves. Every score here comes from an independent tester and links back to it. We combine 4,061 results from 26 sources.

Read before buying

Several testers are paywalled, so we only include what they publish openly. Models change and get recalled. Check the tester's own page and the retailer listing before you buy.

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