Monboxy
Activity Play Mattress Set – Montessori Foam Sofa
Monboxy Activity Play Mattress Set – Montessori Foam Sofa
Reviews for the Monboxy brand
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- Minimalist Scandinavian style — soft palette, considered design
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Hand-picked from trusted European makers — researched, reviewed and chosen by us.
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Give your child a space where imagination takes over — and screens don’t stand a chance. The Monboxy Activity Play Mattress Set is the ultimate open-ended play furniture for babies, toddlers, and kids up to 16 years old.
Designed with Montessori principles at its heart, this modular foam sofa set transforms into a sofa, indoor play gym, sleepover mattress, play tent, playhouse, and so much more. With no sharp corners and OEKO-TEX® certified materials, it’s built as safe as it is fun.
- Complete 4-piece set: One thick base mattress (170 × 85 × 15 cm), one flexible mattress (170 × 85 × 8 cm), and two trapezoidal pillows (56 × 56 × 31 cm)
- Washable, removable covers: 100% polyester fabric, OEKO-TEX® Standard 100 certified — easy to keep clean
- Safe foam core: Flexible polyurethane foam, also OEKO-TEX® Standard 100 certified and human-ecology tested
- Folds flat for storage: Compact design fits easily into small spaces when not in use
- Develops key skills: Supports gross motor development, spatial awareness, problem-solving, and imaginative play
- Suitable from 1 to 16 years: Grows with your child — perfect from first adventures to creative building challenges
- Weight: 15.5 kg | Navy Blue colourway
A thoughtful gift for birthdays, Christmas, or any occasion — the Monboxy play mattress set is one of those rare toys that earns its place in the living room. Explore the full range at Nestling and find the perfect colour for your home.
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Hand-picked from Europe
Carefully chosen from trusted makers — IGLU, MeowBaby, leg&go and more.
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Rigorous review for materials, durability and parent feedback before listing.
Free EU Delivery
Ships duty-free from our EU warehouse. You have a 14-day right to withdraw; return shipping is paid by the customer.
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Everything parents ask before they buy
Free EU delivery in 4–10 business days. Ships from our EU warehouse within 1–2 business days, duty-free across Europe.
Notify us within 14 days of delivery. Return shipping is paid by the customer. If the item arrives damaged during delivery, contact us and we will cover the return or replacement costs. Your statutory rights remain unaffected.
Visa, Mastercard, Amex, Apple Pay and Google Pay — all through secure checkout.
Our EU warehouse, so delivery across Europe is fast and duty-free — no customs surprises.
Brand reviews: Monboxy
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