Activity Play Mattress Set - Grey — image 1 of 7 — Mila & Milo Kids
Activity Play Mattress Set - Grey — image 2 of 7 — Mila & Milo Kids
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Activity Play Mattress Set - Grey — image 7 of 7 — Mila & Milo Kids

Activity Play Mattress Set - Grey

€443,07
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Use it as a sofa, indoor play gym, sleepover mattress, play tent, playhouse, spaceship, and much more! It’s the ultimate Montessori gift, suitable for babies and toddlers, birthdays, Christmas, and children aged 1 to 16 years. It’s the gift that keeps on giving. The sofa has no sharp corners. Have peace of mind knowing that your child can engage freely without the risk of injuries. Unlimited number of ways to use our play sofas, kids can let their imaginations run wild keeping kids off the screens. The set burns kids’ energy and reliefs their stress indoors.

The set includes:

  • One base mattress – A thicker foam mattress with removable and washable covers. Folds up for minimal storage. Size: 170 x 85 x 15 cm

  • One thinner, more flexible mattress – A thinner mattress that’s more bendy and flexible. Same removable cover. Folds for minimal storage. Size: 170 x 85 x 8 cm

  • Two trapezoidal shape pillows – Great building blocks for making creative shapes. Removable and washable fabric cover. Size: 56 x 56 x 31 cm

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

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.

Storage & Care: Monboxy activity sofas are designed to be easily folded up, allowing for easy storage in small spaces. The sofas come with a removable and washable fabric cover. Easy clean-up.

Weight: 15.5 kg

Please note that the shipping price for Monboxy differs from the regular price list:

  • Estonia, Latvia, Germany, Sweden, Denmark, Poland, Slovakia, Hungary: 24.99€

  • Lithuania, Spain, The Netherlands, Belgium, Ireland, UK, Luxembourg, Slovenia, Czech Republic, Austria, Italy, France: 29.99€

  • Finland, Bulgaria, Croatia, Greece, Portugal, Romania: 49.99€

Curated selection
Fast EU delivery
Safe & certified
30-day returns

Why Mila Milo

We don’t make — we curate the best of Europe.

Curated selection

Every piece is hand-picked from independent European makers — only what we’d choose for our own homes.

Fast EU delivery

Shipped from European warehouses with tracked delivery across the EU and UK.

Safe & certified

All items meet European EN 71 safety standards — made from natural, child-friendly materials.

30-day returns

Changed your mind? Return any unused item within 30 days, no questions asked.

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Our Story

Mila Milo brings together the best of European design for children in one considered place. Every piece is selected from independent studios we trust — natural materials, soft palettes, and clean design, shipped quickly from European warehouses.

We don’t manufacture — we curate. Each product is chosen for timeless design, honest materials, and the quiet aesthetic we believe belongs in every child’s first room.

From soft play and nurseries to toys and textiles — one considered edit for modern families, delivered across Europe.

Our edit stays intentionally focused — fewer products, chosen with care. We look for calm forms, safe materials, and designs that grow with your child rather than clutter the room.

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