The ONP Large Outdoor Box does three things that most storage boxes do not. It stores things - toys, loose parts, natural materials, mud kitchen accessories, art supplies. It seats children - at 18"H it is exactly the right height for a toddler or preschooler to sit, rest, or use as a base during outdoor play. And it gives children something to safely step up onto, climb on, and step off - using their own body weight and balance to navigate a real surface in a real outdoor environment.

That combination of uses in a single 18"L x 18"W x 18"H cube of solid Western Red Cedar is what makes this worth having in an outdoor classroom or backyard across North America. It is lightweight enough at approximately 12 lb for children to carry using the cut-out handles on each side - which means they can move it themselves, decide where it belongs, and reorganise their outdoor play space independently. It is also one of the most accessible pieces in the full ONP outdoor learning range.

Key Features of the ONP Large Outdoor Box

• Cut-Out Handles on Each Side - Built-in handles allow children to carry and relocate the box themselves, supporting the independence and self-directed spatial organisation that early years educators actively encourage in outdoor learning environments
• Stable Enough to Sit, Step, and Climb On - The double-deep cedar construction is strong enough to support children sitting, standing, and stepping up onto the box safely, making it a piece of gross motor play equipment as well as a storage unit
• Deep Storage Capacity - The 18" cube format holds a generous volume of outdoor play materials - loose parts, natural materials, mud kitchen tools, sensory play accessories, balls, or seasonal toys - all in a single weatherproof container
• Weatherproof Solid Western Red Cedar - Cedar requires no staining, resists rot and insects naturally, stays comfortable to the touch in summer heat, and lasts 15 to 20 years outdoors without special treatment - the same durable material used across the full ONP range
• Child-Portable at Approximately 12 lb - Light enough for children to lift and carry independently using the cut-out handles, giving them genuine agency over how the outdoor play space is arranged and used
• 18" Cube - Consistent Proportions in All Directions - Equal height, width, and depth means the box can be stacked, rotated, and used in different orientations; multiple boxes can be combined for more complex gross motor and loose parts play configurations

Skills Developed Through Active Use of the Outdoor Box

• Gross Motor Strength & Balance - Stepping up onto, standing on, and stepping off an 18" platform challenges whole-body motor control, core stability, and balance in a self-directed, low-risk way that builds physical confidence over time
• Proprioceptive Awareness - Managing body weight on an elevated surface, feeling the edges underfoot, and adjusting balance to step safely develops the proprioceptive body awareness that underpins coordination and physical self-regulation
• Independence & Spatial Agency - Carrying the box, positioning it, and deciding how to use it gives children genuine ownership of their outdoor environment and builds the self-directed decision-making that early years practitioners identify as foundational to learning readiness
• Imaginative & Dramatic Play - An open-ended object at child height becomes a stage, a castle wall, a boat, a cooking station, or anything else a child's narrative requires - supporting the creative and language development that rich dramatic play produces
• Self-Organisation & Tidying - Deep storage with cut-out carry handles makes clean-up accessible to children independently, building the organisational habits and practical life skills that Montessori educators prioritise in outdoor environments

Ideal for

• Early years childcare centres and outdoor classrooms needing versatile, multi-use furniture
• Montessori and Reggio-inspired settings where children organise their own outdoor environments
• School sensory gardens, loose parts zones, and outdoor learning spaces
• Occupational therapists supporting gross motor, proprioception, and balance development
• Families with outdoor spaces wanting durable, developmental, open-ended play equipment
• Any outdoor learning environment where storage, seating, and safe active play belong in the same piece of furniture

• Dimensions: 18″ L × 18″ W × 18″ H
• Weight: Approximately 12 lb
• Material: Solid Western Red Cedar