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Buying guide

What to buy in the first year, stage by stage

The newborn checklist covers the first weeks. What comes next at 3, 6, 9 and 12 months – from the bigger sleeping bag to the high chair and stair gates.

By Updated: 4 min read

In short

  • Don’t buy the whole first year in advance. Each stage brings two or three new things, and the rest only change in size.
  • Around 3–4 months – bigger clothes and sleeping bag, perhaps a pushchair seat unit if the carrycot is getting small.
  • Around 6 months – the high chair, the weaning utensils and, often, the next car seat.
  • Between 6 and 12 months – home safety, something for play on the floor and, towards the end, first shoes.

The newborn checklist stops, on purpose, at the first weeks. After them comes a year in which your baby changes size several times, and changes the way they sleep, eat and move. Each change calls for a few new things. This guide puts them in order, so you buy them when you use them, not beforehand.

The ages below are approximate. Every child has their own pace; follow yours, not the calendar.

In brief

Around What changes What you buy
1–2 months Size 56 gets too small Size 62 clothes, size 2 nappies
3–4 months Rolls over, grasps Sleeping bag without swaddling, size 68 clothes, a teething toy
4–6 months The carrycot gets small Switch to the seat part of the pushchair
6 months Weaning High chair, utensils, a cup
6–9 months Crawls Home safety: furniture fixed, gates, protectors
9–15 months The infant carrier gets small The next car seat, still rear-facing
12 months Walks First shoes, for outdoors

1–3 months: only sizes

The first months bring almost nothing new, just bigger sizes. Size 56 clothes run out quickly; you buy size 62 clothes as you see how much your baby grows. It is the same with nappies: you move up to size 2 when leaks appear.

If you want a baby carrier, now is the time to try it and choose.

3–4 months: rolling over

  • You stop swaddling at the first signs of rolling. Move to a sleeping bag with free arms, in the right size.
  • Don’t leave your baby unsupervised on the bed, the sofa or the changing table.
  • Everything goes in the mouth: a teething toy and a few simple toys.
  • The Moses basket or co-sleeper is outgrown by many babies around 5–6 months or when they start to push up; you need to have the cot ready by then.

4–6 months: the pushchair changes

The carrycot gets small or your baby wants to see around. You move to the seat part, reclined close to lying down until your baby sits well on their own. If you bought a pushchair without a carrycot from the start, check its limits.

6 months: weaning

When the paediatrician tells you it is time, you need:

It is also a good moment for a paediatric first aid course.

6–9 months: on the move

Your baby starts to crawl, and the house has to keep up. Fix furniture to the wall, put gates on the stairs, move medicines and detergents up high. The full list is in home safety.

For play, a blanket on the floor is enough. A fenced play space is an option, not a necessity – see the playpen and play space.

9–15 months: the next car seat

The infant carrier is changed when your baby reaches the manufacturer’s height or weight limit, not at a particular age. The next seat stays rear-facing for as long as possible. Details in the car seat guide.

Around 12 months: walking

First shoes, for outdoors, only when your baby walks on their own. Indoors, barefoot. See first shoes.

What you don’t need along the way

  • The baby walker.
  • Sets of dishes and toys “by age” bought in advance.
  • Every size of clothes bought as a full set – you will be given a lot.
  • Sleep gadgets: expensive white noise machines, positioning pillows, nests.

More in what not to buy for a baby.

Our recommendation

Buy the first year stage by stage: new sizes as your baby grows, the high chair at 6 months, home safety when they crawl, the next car seat when the infant carrier gets small and shoes when they walk. Everything bought at its moment is chosen better and costs less than something bought “just in case”.

Frequently asked questions

What needs to be bought after the first months with a baby?

Around 3–4 months, clothes and a sleeping bag in the next size. Around 6 months, the high chair and the weaning utensils. Between 6 and 12 months, home safety equipment when your baby starts to crawl and, once they walk on their own outdoors, first shoes. The exact timing depends on your baby’s pace.

When do you switch from the infant car seat to a bigger seat?

When your baby reaches the height or weight limit of the infant carrier, as stated by the manufacturer, or when their head comes within a few centimetres of the top edge of the shell. Not by age. Many children move to the next seat between 9 and 15 months. The next seat stays rear-facing.

When do I move from the carrycot to the seat part of the pushchair?

When your baby exceeds the carrycot’s limit as stated by the manufacturer, or starts to sit up and gets bored lying down, usually between 4 and 6 months. The seat part should be used reclined, close to lying down, until your baby sits well on their own.

Think it could help someone else?

Send the guide to your partner or to a friend who is expecting a baby.

Also read

  • Buying guide

    What to buy when, in pregnancy

    What to choose in the second trimester, what has to be set up by week 36 and what can safely wait until after the birth.

  • Buying guide

    What you need for weaning

    A soft spoon, a suction bowl, an open cup and a pocket bib. What to buy for the first meals, what you do not need, and what to check for safety.

  • Buying guide

    Home safety when your baby starts to move

    What to secure before they roll, crawl and pull themselves up. Furniture fixed to the wall, stair gates and what to take out of their reach.

  • Buying guide

    What the first year with a baby costs

    Where the money goes in the first year, which costs are one-off and which repeat monthly, plus five ways to spend less without giving up on safety.

  • Buying guide

    How to choose a high chair

    You don’t need one before 6 months. The types of chair, why the footrest and harness matter, and how to tell if it’s easy to clean.

  • Buying guide

    What to reuse for a second child

    Most of what you had for the first child works again. What to check first – the car seat, the mattress –, what to buy new and what you need extra for two children.

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