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Play mattress - Deep Green

European Union round flag icon

Hand made in Europe

Nordic minimal design with EU quality standards

Regular price $344.25 USD
Regular price $459.00 USD Sale price $344.25 USD
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Low stock. Ships out in 1 day

Colors — Deep green

Every child needs Monboxy. Our play sofa helps your child develop important skills, like open-ended play and gross motor skills. It can be rearranged in more than 40+ different setups, guaranteeing endless fun. This set is the best Montessori birthday or Christmas gift.

Keeps kids off screen. More active play time
Burns kids’ energy and reliefs their stress indoors
Boosts creativity and open-ended play
The fabric cover is removable and washable
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  • 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 sofa

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

  • Deep green 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

  • Deep green 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

  • Deep green 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


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 girl reading a book while laying down on her deep green Monboxy activity couch
Deep green Monboxy activity couch shaped like a wigwam

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