You have chosen the mobile; now it needs installing. To hang a baby mobile with peace of mind, three questions matter: where to place it, how to attach it and how high to hang it. Here is the step-by-step method, from the clamp arm to the ceiling hook.
In short: attach the mobile securely, on a clamp arm tightened firmly on the cot rail, on a stable floor stand or on a ceiling hook with a suitable wall plug. Hang it out of baby's reach, even with arms stretched out, with nothing hanging into the cot, and follow the instructions. Check the attachment regularly, and remove the mobile from the cot at around 5 months, or as soon as baby pushes up on hands and knees.
Before installing the baby mobile: choosing the right spot
It all starts with where the cot goes. To prevent serious falls and the risk of baby getting caught in blind or curtain cords, the American Academy of Pediatrics (AAP) advises not placing the cot near a window. Once the cot is well positioned, the mobile goes above it, never inside it.
As for sleep, a mobile changes nothing about the rules set out by the French health insurance (Assurance Maladie): baby sleeps on their back, in a sleeping bag suited to their size, on a firm mattress, in an empty cot, with no pillow, duvet, blanket, bumper or soft toy, in a room between 18 and 20 °C.
A precaution for the shape of their head
In its advice on preventing flat head syndrome (plagiocephaly), the Assurance Maladie recommends avoiding arches and mobiles that hold baby's attention upwards without them needing to move their neck. It suggests instead placing colourful, sound-making toys around them, to draw their gaze to the side, and regularly changing their position in the cot to encourage them to turn their head naturally.
It also encourages placing baby on a mat during awake time, on their tummy and under constant supervision. The mobile therefore remains a pretty decoration to look at from time to time, not the only show of their day.
Step 1: choose how to hang the mobile
Whatever the solution, the AAP stresses one point: the mobile must be securely attached, whether to the cot rail, the wall or the ceiling. You have three options:
- The clamp arm, attached to the cot rail: the classic solution for a cot with bars, with no drilling.
- The floor stand, placed on the floor next to the cot: nothing to fix to the cot or the wall, but it needs a little space and a flat floor.
- The ceiling hook: the cot stays free, but you need to drill and choose a fixing suited to your ceiling.
To compare the models in detail, read our guide baby mobile arms: clamp, arch or floor stand.
Step 2: attach the arm to the cot or set it on the floor
Installing a clamp arm on the cot
- Read the instructions. Start with those for the arm and for the cot, to check that the clamp suits your rail.
- Position the clamp where the instructions say, then tighten it firmly.
- Test the attachment. Before hanging the mobile, pull gently on the arm: it must not slip, turn or loosen.
- Hang the mobile on the hook or notch provided, directly or below a hanging music box, such as our white music box with its hook for the mobile.
- Check the height: no part should be within baby's reach (see below).
Installing a floor stand
Place it on a flat floor, next to the cot and away from where people walk, then assemble and install it according to its instructions. The arm goes over the cot, the base stays on the floor. Finally, check that it is stable and will not tip towards the cot, even if someone bumps into it.
How to hang a mobile from the ceiling
Hanging the mobile from the ceiling frees the cot and gives the room a light feel. It is also the solution that requires the most care, since everything depends on the fixing.
- Identify your ceiling. Plasterboard, concrete or wood: each material needs a different fixing.
- Choose a hook and wall plug suited to the material and the weight, following their manufacturer's instructions. If in doubt, ask for advice at a DIY store or from a professional.
- Mark the spot above the cot, then drill and fit the hook according to the wall plug's instructions.
- Adjust the hanging length so that the mobile stays out of reach, even with arms stretched out, and nothing hangs into the cot.
- Test before use: pull gently on the hook, and check that the mobile is properly hooked on.
How high should a baby mobile hang?
This is the most frequent question, and the answer comes down to one rule: out of baby's reach, even with arms stretched out. The AAP asks that the mobile be hung high enough that baby cannot grab it and pull it down; the Assurance Maladie, that baby cannot reach it.
You will sometimes find exact heights in centimetres. We prefer not to give any: the right height depends on the cot, the mattress level, the arm and the length of the mobile. Follow the instructions for the arm and the mobile, and keep these pointers in mind:
- look at the lowest part of the mobile, not the hook: that is what must stay out of reach;
- remember that baby stretches, lifts their arms and legs, and grows quickly;
- if you change the mattress height, when your cot allows it, check again;
- at the slightest contact, even with fingertips or toes, raise the mobile or remove it.
Check regularly and know when to remove the mobile
Once the mobile is installed, get into the habit of a quick regular check, for example each time you change the sheets:
- is the clamp still tight, the floor stand still stable?
- is the ceiling hook holding firmly?
- are the threads intact, each element firmly attached?
- is anything hanging towards the cot?
At the slightest doubt, remove the mobile. In every case, remove it from above the cot as soon as baby starts to push up on hands and knees, or at around 5 months, whichever comes first: this is the AAP's guideline. All the details are in our article baby mobile: from what age, and until when. Afterwards, the mobile can stay in the room as decoration, hung elsewhere and out of reach.
FAQ: installing and hanging a baby mobile
How high should you hang a mobile above the cot?
High enough that baby can neither touch nor grab it, even with arms stretched out, judging by the lowest part of the mobile. Also follow the instructions for the arm and the mobile.
How do you hang a baby mobile without drilling?
With a clamp arm attached to the cot rail, if the clamp suits your cot, or with a floor stand placed next to the cot.
Can you hang a baby mobile from the ceiling?
Yes, with a hook and wall plug suited to your ceiling and the weight. Adjust the hanging length so that the mobile stays out of reach, with nothing hanging into the cot.
How do you know the mobile is securely attached?
Pull gently on the arm or the hook: nothing should slip, turn or loosen. Repeat this check regularly, and remove the mobile at the slightest doubt.
When should the mobile be removed from the cot?
As soon as baby starts to push up on hands and knees, or at around 5 months, whichever comes first. It can then decorate the room, out of reach.
Still missing an arm, or the whole set? Discover our mobile arms, chosen with care, or build your pack: a mobile, a music box and an arm, with €20 off the total. Delivery is free to mainland France, Belgium and the Netherlands, and returns are free for 30 days.
Sources: Assurance Maladie, how to put a baby to bed safely (ameli.fr, French); American Academy of Pediatrics, “Make Baby's Room Safe: Parent Checklist” (HealthyChildren.org).
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