We use cookies to enhance the security, performance, functionality and for analytical and promotional activities. We use cookies to personalize ads for you. By continuing to browse this site you're agreeing to our Privacy PolicyWe use cookies to enhance your experience and personalize ads. By using the site, you agree to that. Privacy Policy

10 bestBooster Car Seat 3 Year Oldsof December 2025

112M consumers helped this year.

47% off

1

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 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 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

9.9

Buy it on Amazon

20% off

2

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

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

9.8

Buy it on Amazon

3

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 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 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

9.6

Buy it on Amazon

38% off

4

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

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

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

Graco

9.4

Buy it on Amazon

5

CYBEX Gold child seat Solution S2 i-Fix, For cars with and without ISOFIX, 100 - 150 cm, From approx. 3 to 12 years (15 - 50 kg), Nature Green

CYBEX Gold child seat Solution S2 i-Fix, For cars with and without ISOFIX, 100 - 150 cm, From approx. 3 to 12 years (15 - 50 kg), Nature Green

CYBEX Gold child seat Solution S2 i-Fix, For cars with and without ISOFIX, 100 - 150 cm, From approx. 3 to 12 years (15 - 50 kg), Nature Green

Cybex

9.2

Buy it on Amazon

OtherRelated productsUp to 18% off

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 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)

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 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

CYBEX Silver Solution X-Fix Car Seat, Suitable for Cars With or Without Isofix, Groups 2/3 (15-36 kg), From 3 Years to Approximately 12 Years, Gray Rabbit - Dark Gray

CYBEX Silver Solution X-Fix Car Seat, Suitable for Cars With or Without Isofix, Groups 2/3 (15-36 kg), From 3 Years to Approximately 12 Years, Gray Rabbit - Dark Gray

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 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

14% off

6

Jovikids I-Size Booster Seat for Car with ISOFIX, 125-150cm (Group 2/3, 6-12 Years), Portable Booster Seat for Kids, Comfortable, Compact, Convenient for Everyday Use, Great for Travel, ECE R129, Blue

Jovikids I-Size Booster Seat for Car with ISOFIX, 125-150cm (Group 2/3, 6-12 Years), Portable Booster Seat for Kids, Comfortable, Compact, Convenient for Everyday Use, Great for Travel, ECE R129, Blue

Jovikids I-Size Booster Seat for Car with ISOFIX, 125-150cm (Group 2/3, 6-12 Years), Portable Booster Seat for Kids, Comfortable, Compact, Convenient for Everyday Use, Great for Travel, ECE R129, Blue

Jovikids

9.0

Buy it on Amazon

7

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 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 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

8.8

Buy it on Amazon

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 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 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

8.6

Buy it on Amazon

9

CYBEX Gold child car seat Solution G i-Fix, For cars with and without ISOFIX, From approx. 3 to 12 years (100 - 150 cm), From approx. 15 to 50 kg, Lava Grey

CYBEX Gold child car seat Solution G i-Fix, For cars with and without ISOFIX, From approx. 3 to 12 years (100 - 150 cm), From approx. 15 to 50 kg, Lava Grey

CYBEX Gold child car seat Solution G i-Fix, For cars with and without ISOFIX, From approx. 3 to 12 years (100 - 150 cm), From approx. 15 to 50 kg, Lava Grey

Cybex

8.3

Buy it on Amazon

10

Maxi-Cosi RodiFix S i-Size, High Back Booster Seat, 3.5 - 12 years (100 - 150 cm), Child Car Seat, 3 Recline Positions, Adjustable Height/Width, G-CELL Side Impact Protection, AirProtect, Basic Black

Maxi-Cosi RodiFix S i-Size, High Back Booster Seat, 3.5 - 12 years (100 - 150 cm), Child Car Seat, 3 Recline Positions, Adjustable Height/Width, G-CELL Side Impact Protection, AirProtect, Basic Black

Maxi-Cosi RodiFix S i-Size, High Back Booster Seat, 3.5 - 12 years (100 - 150 cm), Child Car Seat, 3 Recline Positions, Adjustable Height/Width, G-CELL Side Impact Protection, AirProtect, Basic Black

Maxi-Cosi

8.1

Buy it on Amazon

Related Reviews You Might Like

Car Seat 2 Year Olds

Car Seat 2 Year Olds

Booster Seat For 4 Year Olds

Booster Seat For 4 Year Olds

Car Booster Seats

Car Booster Seats

Booster Car Seats

Booster Car Seats