Sensory Activities for Babies Aged 6 to 18 Months

In the first months of life, your baby's world is an explosion of sensations. Every texture they touch, every sound they hear, every colour they see is quite literally building their brain. Between 6 and 18 months, this window of sensory development reaches an extraordinary peak — and as parents, we can make the most of it in ways that are simple, safe and genuinely fun.

Sensory activities are not just play. They are powerful tools for stimulation that help babies understand their environment, develop fine motor skills, strengthen neural connections and regulate emotions. And the best part? You do not need expensive materials or specialist training. You need attention, creativity and a little time.

Why Sensory Play Matters So Much

A baby's brain forms roughly one million new neural connections per second during the early years. Every sensory experience — feeling sand between their fingers, hearing the rattle of a shaker, watching a soap bubble float — contributes directly to this construction.

Appropriate sensory stimulation helps to:

Develop fine and gross motor skills — grasping, squeezing, pushing, crawling towards stimuli
Strengthen cognitive abilities — identifying differences, anticipating outcomes, solving small problems
Regulate emotions — many babies calm down with specific tactile or auditory stimuli
Lay the groundwork for language — multisensory exploration is closely linked to communication development
Nurture natural curiosity — the foundation of all future learning

Activities by Sense: A Practical Guide

Touch — The Most Explored Sense

Touch is the most developed sense at birth and remains the primary channel of learning in the early months.

Textured mats: Create a surface using fabric scraps of different textures — velvet, silk, fine sandpaper, felt, netting. Let your baby crawl, sit and explore with their hands and feet. The variety of sensations activates different tactile receptors.

Water play: In a shallow basin of warm water, add sponges, cups and spoons. Water is a complete sensory stimulus — temperature, resistance, the sound of splashing. Constant supervision is essential.

Sand and sensory dough exploration: Kinetic sand or simple flour-and-water dough (without salt, for safety) allow babies to squeeze, mould and feel textures that change with pressure. From around 10 to 12 months, this activity becomes especially captivating.

Sensory bags: Fill sturdy zip-lock bags with gel, glitter, large buttons or pompoms and seal thoroughly with tape. Your baby can squeeze and observe the movement of objects inside, without the risk of putting them in their mouth.

Sight — Colours and Contrasts

In the earliest months, babies see strong contrasts best. From 6 months, colour perception becomes increasingly refined.

Light tables (or a homemade alternative): A transparent plastic container with a strip of LED lights inside, covered with tracing paper, creates a luminous surface where your baby can place colourful translucent objects. Shapes, colours and shadows become fascinating.

Colour sorting games: Offer your baby brightly coloured objects — blocks, pompoms, balls — alongside matching containers. Even before they can sort accurately, babies begin to associate colours with categories.

Sensory bottles: Transparent plastic bottles filled with water, food colouring and glitter or small floating objects. When the baby shakes the bottle, they observe the movement and colours — an activity that also has a calming effect.

Sound — Tones and Rhythms

Hearing is fundamental to language development and spatial awareness.

Simple musical instruments: Maracas, bells, tambourines and baby-adapted xylophones allow exploration of cause and effect — "I shake it, it makes noise!" From around 9 months, many babies begin to bang with intentional rhythm.

Homemade shakers: Fill small plastic bottles with rice, pasta, beans or tiny bells. Each bottle produces a different sound. Your baby learns to distinguish tones and intensities.

Action songs: Songs like "Head, Shoulders, Knees and Toes" or "Incy Wincy Spider" combine hearing with movement, stimulating multiple senses simultaneously.

Taste — Safe Food Exploration

From 6 months, with the introduction of solid foods, taste becomes a territory of discovery.

Flavour tray: Offer small portions of foods with distinct flavours — banana (sweet), diluted lemon in water (sour), cooked carrot (mild), broccoli (bitter). Watch the reactions — they are pure sensory expression.

Foods with varied textures: Alternate between smooth purees, mashed foods and soft pieces (such as mango or avocado). The progression of textures stimulates not only taste but also oral motor skills.

Important note: Introduce one new food at a time and always follow your paediatrician's guidance regarding food allergies.

Smell — The Forgotten Sense

Smell is often overlooked, yet it is one of the senses most closely linked to memory and emotion.

Aromatic herb exploration: Basil, mint, rosemary, cinnamon — place small amounts in open jars and let your baby sniff. The reactions are delightful to observe.

Outdoor walks with olfactory intention: In the garden or park, bring flowers, leaves and damp earth close to your baby's nose (without forcing). Nature is the finest sensory laboratory there is.

Fruit play: Before eating them, let your baby smell — a halved orange, a ripe strawberry, an apple. Associating smell with taste is a powerful form of learning.

Sensory Classes in Lisbon

If you are looking for experiences guided by professionals, Lisbon offers a range of sensory classes for babies:

Baby sensory and early stimulation groups — structured sessions with specialised materials, music and tactile activities
Baby swimming — water is one of the most complete sensory environments, combining touch, proprioception and balance
Music for babies — classes that explore rhythm, melody and instruments adapted for early childhood
Baby and parent yoga — combines movement, touch (massage) and sound (gentle mantras or songs)

Many of these classes accept babies from 3 to 4 months and are an excellent way for both babies and parents to socialise.

DIY Sensory Activities: Make Them at Home

You do not need to spend much to offer rich sensory experiences. Here are some ideas using everyday materials:

Pasta sensory box: Cook pasta in different shapes and let it cool. Add spoons and cups. Your baby can grab, squash and transfer — a texture explosion.

Coloured ice: Freeze water with food colouring in ice cube trays. On a washable surface, let your baby touch the cubes and watch the colours melt and blend together.

Finger (and foot) painting: Use non-toxic paints or natural yoghurt with food colouring. Spread out lining paper on the floor and let your baby explore. Yes, everything will get messy — and that is exactly the point.

Treasure basket: A classic from early years pedagogy. Gather 10 to 15 everyday objects with different textures, weights and temperatures — a wooden spoon, a sponge, a tennis ball, a ball of yarn, a clothes peg. Your baby chooses, explores and discovers at their own pace.

Safety: Essential Rules

Sensory exploration must always be safe. Keep the following in mind:

Constant supervision — never leave your baby alone during sensory activities, especially with water or small objects
Non-toxic materials — verify that paints, doughs and colourings are safe if accidentally ingested
Object size — avoid pieces that fit through a toilet roll tube (choking hazard)
Allergies — be aware of materials such as latex, gluten or nuts, depending on your baby's history
Respect boundaries — if your baby rejects a texture or shows discomfort, do not insist. Every child has their own sensory preferences
Hygiene — wash all materials thoroughly before and after use

When to Seek Professional Guidance

Most babies love sensory exploration. However, certain signs may warrant a conversation with your paediatrician or an occupational therapist:

Extreme reactions (intense crying, sharp withdrawal) to common textures such as sand, grass or food
Systematic avoidance of certain sensations — refusing to touch particular materials, aversion to everyday sounds
Excessive seeking of stimuli — repeated head banging, seeking intense pressure sensations
Delays in fine motor skills compared with expected developmental milestones

These signs do not necessarily indicate a problem, but early assessment allows for timely intervention with better outcomes. Trust your parental instinct — you know your baby better than anyone.

Find Activities for Your Baby on KidsToGo

Looking for baby activities in your area? On KidsToGo you will find sensory stimulation classes, baby swimming, music for babies and much more. Filter by age and location to find the perfect experience for your little explorer.