If you have recently become a parent, you have probably come across contrast cards — black-and-white images shown to a baby from the very first weeks of life. They are not a trend or a marketing trick: behind them is a simple fact about how a baby's vision develops.

What does a baby actually see?

A newborn sees blurry shapes and mostly distinguishes strong contrasts — black, white and shades of grey. Visual acuity and colour recognition develop gradually over the first months, and the first colour a baby begins to distinguish is usually red. That is why colourful toys mean almost nothing to a baby in the early weeks — while a simple black-and-white image with clear edges attracts their gaze like a magnet.

Every time a baby focuses on a contrast pattern, new connections form and strengthen in the brain. Contrast cards are therefore not a „toy” in the classic sense — they are exercise for the eyes and the brain during a period when the brain develops faster than at any later point in life.

When to start?

From the third week of life. At first your baby will look at a card for only a few seconds — and that is perfectly enough. By the end of the first month the focus visibly lengthens.

• 0–3 months: simple black-and-white patterns — stripes, circles, checkerboards. Card held 20–30 cm from the face.
• 3–6 months: more complex shapes and first motifs (animals, faces), red details work well.
• 6–12 months: images of real objects and animals; cards become a tool for first words.
• 12–36 months: colour cards for learning concepts, colours and shapes.

How to show the cards properly

1. Choose a calm moment when your baby is fed and rested.
2. Hold the card 30–40 cm from your baby's face.
3. Move it slowly left and right so the baby practises tracking with their eyes.
4. Hold each card for 5–6 seconds, then swap to the next one.
5. Your voice works wonders: describe what is on the picture — vocabulary and connection are built even when the baby „doesn't understand”.

Five to ten cards per session, a few times a day, up to 15 minutes in total is plenty. Follow your baby's signals — when they turn their head away or get restless, that's enough for today.

Idea: cards above the changing table and in the pram

You don't always have to hold the cards. Lean them against the edge of the changing table, hang them near the cot (out of the baby's reach) or take them in the pram — short moments of looking add up during the day.

Which cards to choose?

Look for cards that grow with your child — a set divided by developmental stage will serve you for three years, not three months. Our set of 4 contrast card packs covers ages 0 to 36 months: 64 double-sided cards with 128 images, from the first black-and-white patterns to pictures for learning first words. And if you are looking for a baby shower gift — you will struggle to find a more useful one.