• A girl reading a book while sitting on a brown play couch set
  • Foam mattress set put as a play house and a girl playing inside it
  • A cozy children's room with a Monboxy Mattress set - Dark brown, a clothes rack, a wall decorated with polka dots, a canopy, shelves with toys for open-ended play, and various wall art, including a sign that reads “It’s a beautiful day.”
  • Foam mattress play set puta as a tent and a girl playing inside it
  • A girl being silly in a dark brown Monboxy foam play mattress
  • A toddler girl sleeping on a dark brown Monboxy play couch set
  • A children's playroom with colorful wall decor, a hanging canopy, shelves with toys, and a Monboxy Mattress set - Dark brown featuring foldable gray cushions. A banner reads "It's a beautiful day," inviting open-ended play and fostering gross motor skills.
  • A girl playing in her room with a dark brown Monboxy play sofa set
  • A young child reading a book on a Monboxy play couch in a neatly organized playroom with star decorations on the wall.
  • A closeup of a dark brown Monboxy trapezoidal shape
  • Illustration of a modern brown Monboxy activity mattress set with orange cushions, labeled with various dimensions in inches and centimeters.
  • 16 build ideas for dark brown Monboxy toddler activity sofa set
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Mattress set - Dark brown

European Union round flag icon

Handmade in Europe

Nordic minimal design with EU quality standards

$367.20 USD
$459.00 USD $367.20 USD
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In stock. Ships out in 1 day

One play set, endless combinations. This soft foam Montessori play couch is the best toy to teach your child open-ended play and develop gross motor skills. It's the ultimate Montessori gift, suitable for newborns, birthdays, Christmas, and children aged 1 to 16 years. It’s the gift that keeps on giving.

Icon to show product benefit - Keeps kids off screen. More active play timeKeeps kids off screen. More active play time
Icon for product benefit- Monboxy burns kids’ energy and reliefs their stress indoorsBurns kids’ energy and reliefs their stress indoors
Icon for product benefit - Soft play mattress set boosts creativity and open-ended playBoosts creativity and open-ended play
Icon for product benefit - The soft play mattress set fabric cover is removable and washableThe fabric cover is removable and washable
Delivery info Care instructions View full details

  • 1. No sharp corners

    Have peace of mind knowing that your child can engage freely without the risk of injuries.

  • 2. Keeps kids off screens

    Unlimited number of ways to use our play sofas, kids can let their imaginations run wild.

  • 3. Hassle-free storage

    Our activity sofas are designed to be easily folded up, allowing for easy storage in small spaces.

  • 4. Washable & liquid repelling

    Our sofas come with a removable and washable fabric cover. Easy clean-up.

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Three kids playing with their Monboxy activity play set

Why is Monboxy good for your child?

  • Develops Gross motor skills
  • Boosts open-ended play
  • Improves problem-solving skills
  • Encourages independent play
  • Encourages curiosity
  • Increases spatial awareness
  • Montessori toy
  • Keeps kids off screens

3 base shapes to create unlimited fun

Close-up of what’s included

  • Dark brown base mattress Monboxy set shape

    1. One base mattress

    A thicker foam mattress with removable and washable covers. Folds up for minimal storage.

    Size: 66,93x33,46x5,9 in or 170x85x15cm

  • Dark brown thin mattress Monboxy set shape

    2. One thinner, more flexible mattress

    A thinner mattress that’s more bendy and flexible. Same removable cover. Folds for minimal storage.

    Size: 66,93x33,46x3,15 in or 170x85x8cm

  • Dark brown trapezoidal Monboxy set shape

    3. Two trapezoidal shape pillows

    Great building blocks for making creative shapes. Removable and washable fabric cover.

    Size: 22,05x22,05x12,2 in or 56x56x31 cm

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Closeup of Monboxy fabric with tag

Materials

Fabric: 100% polyester. Our fabric is OEKO-TEX® STANDARD 100 certified. This means you can be certain that every component, thread, button, and other accessory, has been tested for harmful substances and is harmless for human health.

Foam: Flexible polyether polyurethane foam. Received the same OEKO-TEX® STANDARD 100 certification, meeting the human-ecological requirements.

Weight: 34.17lb / 15.5kg

Learning new skills, one shape at a time

Unleash your child’s joy of exploration

A little girl playing with her dark brown Monboxy play couch for kid set
A little girl resting on a dark brown Monboxy play sofa set, arranged like a bed