AXKID ONE 3 PLUS CAR SEAT
AX251202AOP3
The Axkid One Plus 3 is a rear-facing car seat safe for children up to 7 years old. Easy to install, lightweight, adjustable, and comfortable, it protects your child with its reinforced structure and certification to the highest safety standards.

804916
- AXKID ONE 3 PLUS CAR SEAT
- AXKID CONNECT PAD WITH INTEGRATED SAFETY SENSOR (804916)
FM-02
- AXKID ONE 3 PLUS CAR SEAT
- MIRROR IMMIEBEAR DE LUXE WITH LED LIGHT (FM-02 )
Axkid ONE+ 3 rear-facing car seat (ISOFIX)
From birth up to 7 years · 40–125 cm · 0–23 kg · UN R129 · Plus Test · Rear-facing
The Axkid ONE+ 3 is a rear-facing car seat designed for families who want maximum safety for longer, without complicated installation. It is approved from birth (40 cm) up to 125 cm or 23 kg, offering a single solution to accompany your child until around 7 years of age.
Its reinforced ProTecFrame structure, patented sliding seat technology for legroom adjustment, and continuous recline from 0 to 42° make it a perfectly balanced car seat: safe, comfortable, and easy to use every day.
Plus Test approval

Textiles and comfort

Video: Axkid ONE+ 3 in real use
Quick demonstration of installation and adjustment
Key features
- Reinforced ProTecFrame structure in high-strength steel, designed to withstand impact forces up to 1500 kg
- Rear-facing use from birth up to approximately 7 years, 40–125 cm and 23 kg
- ISOFIX installation with guided 6-step process to minimize errors
- Patented sliding seat technology to adjust legroom and optimize space for the front passenger
- Adjustable legroom with up to 30 cm of extra space
- Continuous recline from 0 to 42° with one-hand operation
- Magnetic harness holders for easy child positioning
- Adaptable newborn inserts for improved fit and comfort
- Soft, breathable textiles, removable and machine washable
- Integrated ASIP side impact protection
Advanced rear-facing safety
Rear-facing travel significantly reduces strain on the neck and spine during frontal impacts by distributing forces across the entire back. This is why specialists recommend keeping children rear-facing for as long as possible.
- Swedish Plus Test certification
- ProTecFrame structure for high resistance and stability
- 5-point internal harness and ASIP side impact protection
Long-lasting comfort
Comfort is essential in long-term rear-facing car seats. The Axkid ONE+ 3 allows precise legroom adjustment and continuous recline, ensuring your child remains comfortable as they grow.
- Sliding seat to balance child and front passenger space
- Continuous recline adjustment with one hand
- Breathable textiles and adaptable inserts
Guided ISOFIX installation
One of the key strengths of the Axkid ONE+ 3 is its ISOFIX installation with a guided 6-step process and visual indicators, providing stability and peace of mind for everyday use.
Comparison: Axkid ONE+ 3 vs Axkid ONE
| Difference | Axkid ONE+ 3 | Axkid ONE |
|---|---|---|
| Height range | 40–125 cm | 61–125 cm |
| From birth use | Yes, with newborn inserts | No, from 61 cm |
| Recommendation | Ideal as a single seat from birth | Perfect if your child is already 61 cm+ |
Frequently asked questions
Why choose a rear-facing car seat?
Rear-facing seats distribute crash forces more evenly across the body, protecting the neck and spine.
Is Axkid ONE+ 3 difficult to install?
No. Thanks to ISOFIX and the guided 6-step installation, it is intuitive and secure.
Expert advice before and after purchase
At algateckids we have been specialists in child car safety since 2003, offering expert advice, real support and personalized assistance to help you choose the right car seat with confidence.