How to Transition Your Baby from Doona Car Seat to Liki Trike: A Developmental Guide

As your baby grows, their mobility needs change quickly. What works perfectly for a newborn—like a car seat that doubles as a stroller—may no longer suit an active toddler who wants to explore the world on their own. The Doona Car Seat & Stroller system is a lifesaver for the first months, but eventually, every parent wonders: when is the right time to move to a tricycle like the Doona Liki Trike?

This developmental guide walks you through the key stages of your child’s growth, from infant to toddler, and explains how to make a smooth, safe, and fun transition. Whether you’re using the Doona i Car Seat & Stroller Nitro Black or the Doona X Car Seat & Stroller - Terracotta, you’ll find practical advice on when to introduce the Liki Trike and how to adjust it for each age.

Stage 1: Newborn to 6 Months – The Doona Car Seat Era

During the first six months, your baby’s spine and neck are still developing, and they need full support while traveling. The Doona Car Seat & Stroller system is designed specifically for this stage. It functions as both an infant car seat and a stroller, allowing you to move your sleeping baby from car to sidewalk without waking them. The integrated travel system is ideal for errands, doctor visits, and short walks.

At this age, your baby cannot sit up unsupported, so a tricycle is not appropriate. Focus on using the Doona car seat with the included base or the Doona i ISOFIX Base for secure installation. The car seat’s canopy provides sun protection, and you can attach the Doona Sunshade Extension for extra coverage during sunny outings.

• Always use the car seat rear-facing until your baby reaches the height or weight limit (usually around 12 months).
• Avoid using any tricycle accessories until your child can sit upright independently.

Stage 2: 6 to 12 Months – Sitting Up and Exploring

Around six months, most babies begin to sit up without support. This is a major milestone that signals readiness for more interactive gear. While the Doona car seat remains the safest option for car travel, you may notice your baby becoming restless during stroller walks. They want to see the world, not just the canopy above them.

At this stage, you can start thinking about the Doona Liki Trike, but only if your child has good head and neck control. The Liki Trike S5 or S1 models offer a 5-in-1 design that grows with your child. For now, use the trike in its first stage: with the parent handle and safety harness, your toddler can sit securely while you push. The Liki Trike Parent Handle gives you full control, making it a smooth transition from stroller to tricycle.

• Check that your baby can sit upright for at least a few minutes before using the trike.
• Always use the included safety harness and do not let your child ride unattended.

Stage 3: 12 to 18 Months – From Passenger to Pedaler

Between 12 and 18 months, your toddler’s leg strength and coordination improve dramatically. They may start taking their first steps and show interest in pushing pedals. This is the perfect time to transition from the Doona car seat (which they may be outgrowing) to the Liki Trike as their primary outdoor vehicle.

The Doona Liki Trike can be adjusted to stage 2 or 3, where the pedals are engaged but the parent still has steering control via the handle. Your child can practice pedaling while you guide them safely. The trike’s compact fold makes it easy to take to the park or on trips. If you’re still using the Doona i Car Seat & Stroller Desert Green for car rides, the Liki Trike becomes the fun alternative for walks and playdates.

• Encourage pedaling by placing your child’s feet on the pedals and gently moving the trike forward.
• Use the parent handle for steering until your child shows consistent control.

Stage 4: 18 Months to 3 Years – Independent Riding

By 18 months, many toddlers can pedal independently and steer with minimal help. The Liki Trike can be converted to stage 4 (parent steering only) or stage 5 (full independent mode). This is an exciting milestone—your child is no longer a passenger but an active rider. The Doona car seat is likely no longer used, as your child has transitioned to a forward-facing car seat or booster.

At this stage, the Liki Trike S5 Nitro Black Deluxe offers premium features like a reclining seat and adjustable canopy. It’s a great investment for active toddlers who love outdoor adventures. Remember to always supervise your child, especially near roads or uneven surfaces. The trike’s durable wheels and sturdy frame provide stability, but safety remains paramount.

• Gradually remove the parent handle once your child can steer and stop reliably.
• Teach basic road safety rules, like stopping at driveways and looking both ways.

When to Make the Switch: Key Signs Your Child Is Ready

Every child develops at their own pace, so look for these signs before transitioning from the Doona car seat to the Liki Trike: your child can sit upright unassisted for at least 10 minutes, shows interest in moving objects or wheels, has good head control, and can bear weight on their legs. If your child is still wobbly or tired easily, wait a few more weeks.

Another practical sign: if your child is close to the maximum height or weight limit of the Doona car seat (usually 32 inches or 35 pounds), it’s time to start using the trike for walks and reserve the car seat only for vehicle travel. The Doona Liki Trike accommodates children up to 55 pounds, so it will last for years.

• Consult your pediatrician if you’re unsure about your child’s readiness for a tricycle.
• Always read the user manuals for both the car seat and trike to ensure correct usage at each stage.

Tips for a Smooth Transition

To make the switch enjoyable, let your child explore the Liki Trike indoors first. Let them sit on it, touch the handlebars, and get comfortable. Use positive reinforcement—praise them for sitting nicely or trying to pedal. Keep initial rides short (5–10 minutes) and gradually increase as they gain confidence.

If your child is reluctant to leave the Doona car seat, remind them that the trike is a big-kid toy. You can also bring along a favorite toy or snack to make the experience positive. The Doona X Summer Canopy - Nitro Black can be attached to the trike for sun protection on warm days. With patience and practice, your toddler will soon love their new wheels.

• Practice in a safe, flat area like a driveway or empty parking lot.
• Dress your child in comfortable shoes that allow easy pedaling.

Transitioning your baby from the Doona Car Seat & Stroller to the Liki Trike is a natural part of growing up. By following your child’s developmental cues and adjusting the trike through its five stages, you can make the switch seamless and fun. Whether you start with the Liki Trike S1 Red or the premium S5 model, your toddler will enjoy years of active play. Ready to help your little one take the next step? Explore the Doona Liki Trike collection today and find the perfect model for your family.