10 bestBooster Car Seat 3 Year Oldsof September 2025
112M consumers helped this year.
12% off
1

Graco Junior Maxi i-Size R129 Highback Booster car seat with cupholders, Suitable from 100-150cm (approx. 3.5 to 12 years), Midnight fashion
Graco

9.9
10% off
2

Jovikids I-Size Booster Seat for Car with ISOFIX, 125-150cm (Group 2/3, 3-12 Years), Portable Booster Seat for Kids, Comfortable, Compact, Convenient for Everyday Use, Great for Travel, ECE R129, Blue
Jovikids

9.8
3

Kidoola Adjustable Car Seat for Toddlers & Children - i-Size Safety Certified Booster Seat, Padded & Comfortable with 3 Adjustable Age Functions& Straps, 100-125cm,Up to 12 Years -ECE R129(Grey&Black)
kidoola

9.6
4

Maxi-Cosi Tanza i-Size, High Back Booster Seat, 3.5–12 years, 100–150cm, Compact Foldable Car Seat, 10 Headrest Positions, G-CELL Side Impact Protection, Padded & Elevated Kids Car Seat, Full Black
Maxi-Cosi

9.4
5

Cozy N Safe Logan Group 1/2/3 Car Seat 9-36kg, 9 Months to 12 Years, 5 Point Harness, Forward Facing, Side Impact Protection, Adjustable Headrest, Lightweight, Child, Toddler Car Seat - Black/Grey
COZY N SAFE

9.1
6

Maxi-Cosi RodiFix AirProtect High Back Booster Seat, 15 - 36 kg, 3.5 - 12 Years, Reclining ISOFIX Car Seat, Adjustable Headrest/Backrest, Extra Side Protection, Quick & Easy Buckle-up, Authentic Black
Maxi-Cosi

8.9
7

Graco Affix R44 Highback Booster car seat with isoCatch connectors, Suitable from approx. 4 to 12 years (15-36kg), Stargazer fashion
Graco

8.6
20% off
8

Maxi-Cosi RodiFix M i-Size, High Back Booster Seat, 3.5 - 12 years, 100 - 150cm, Kids Car Seat, G-CELL Side Impact Protection, Adjustable Height, Quick & Easy Buckle Up, ISOFIX Car Seat, Basic Black
Maxi-Cosi

8.4
7% off
9

Cozy N Safe Neo 125-150cm i-Size Child Booster Seat, 22-36KG, Approx. 6-12 Years Old, Forward Facing, Removable Covers, Deep Foam Padded seat and armrests, 3-Point Seatbelt, ECE R129
COZY N SAFE

8.1
13% off
10

Jovikids i-Size Booster Seat with ISOFIX, Suitable for Kids 100-150cm (Approx. 3 to 12 Years), Adjustbale Height and Width, Portable Toddler Car Seat for Travel, Compact & Folding, ECE R129
Jovikids

7.8

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