Indoor Playground Injuries Are Not Trampoline-Park Cases
Why ASTM F1918 is usually the standard that actually applies
When a child is injured in a padded, enclosed play structure at a family entertainment center, mall play area, or indoor playground, the file often arrives labeled as an “amusement” case or a “trampoline park” case.
That label can send the investigation in the wrong direction.
Soft-contained play equipment — tube slides, climbing frames, ball pits, netted corridors, and multi-level padded structures — is its own category of equipment. It has its own ASTM standard: ASTM F1918, Standard Safety Performance Specification for Soft Contained Play Equipment.
It is not ASTM F2970 (trampoline courts). It is not ASTM F1487 (public playground equipment). And F1918’s own scope expressly excludes amusement rides.
For plaintiff and defense counsel, using the wrong standard is not a technical quibble. It can produce the wrong discovery, the wrong expert, and a standard-of-care opinion that does not match the equipment that actually injured the child.
What “soft-contained play” actually is
Soft-contained play equipment (often abbreviated SCPE) is the enclosed indoor play system most lawyers have walked past in a mall or birthday-party venue: padded platforms, plastic tunnels, slides, cargo nets, and ball pits, typically wrapped in netting or fabric so children play inside the structure rather than around it.
These facilities are marketed as indoor playgrounds, play cafés, or family entertainment centers. The marketing name does not determine the standard. The equipment does.
MIT Experts’ own operational background is in this environment. Peter Jay owned and operated indoor playgrounds built from soft-contained play equipment for nearly a decade — two locations and a franchise, roughly 4,000 square feet, serving on the order of 275,000 visitors — including design collaboration with manufacturers, ASTM compliance in daily operations, staff training, and maintenance programs.
What ASTM F1918 covers — and what it doesn’t
The current edition is ASTM F1918-21. It is a safety performance specification, developed by ASTM Committee F15 on Consumer Products, Subcommittee F15.36 on Soft-Contained Play Systems. It was originally approved in 1998.
ASTM’s published scope is unusually useful in litigation because it states, in the standard’s own words, what the document is and is not:
- Its purpose is to reduce the potential for life-threatening and debilitating injuries.
- The intended user range is the 5th percentile 2-year-old through the 95th percentile 12-year-old.
- It does not include public playground equipment, home playground equipment, sports equipment, amusement rides, fitness equipment that is not part of the play system, water-related attractions and devices, or toys and juvenile products.
The table of contents is equally revealing. F1918 is not only a design spec. It includes sections on materials and manufacture, performance requirements, access and egress, equipment, areas outside the equipment, structural integrity, maintenance, fire safety, and evacuation.
Those last items are where indoor-playground cases often actually live — and where a trampoline-court or outdoor-playground analysis tends to go silent.
The three-standard trap
Counsel, and the experts they retain, commonly reach for one of three documents. Only one of them usually belongs.
ASTM F1918-21 — soft contained play equipment. Committee F15. A consumer-product safety performance specification. Indoor enclosed play systems. Intended user range ages 2–12.
ASTM F2970-25 — trampoline courts. Committee F24 (Amusement Rides and Devices). A practice covering design, manufacture, installation, operation, maintenance, inspection, and major modification of commercial trampoline courts. If the injury happened on a trampoline court, F2970 is the starting point. If it happened in a tube slide, ball pit, or enclosed climbing structure, it is not.
ASTM F1487-25 — playground equipment for public use. Also Committee F15, but written for public playgrounds — parks, schools, municipal equipment — with use-zone and surfacing analysis that assumes open play, not a fully enclosed indoor system.
A fourth mix-up appears when the venue also has bounce houses or other inflatable attractions. Those are generally analyzed under ASTM F2374 (inflatable amusement devices), not F1918.
F1918 says amusement rides are outside its scope. F2970 is an F24 amusement practice. Treating a padded indoor play structure as if it were an amusement ride, or as if it were a trampoline court, is how opinions get built on the wrong foundation.
The committee difference is not academic. F24 practices are written around owner/operator programs, patron education, and amusement operations. F15 performance specifications are written around equipment hazards: entrapment, entanglement, protrusions, materials, access and egress, fire, and evacuation. The questions you ask in discovery should follow the document that actually applies.
Why the wrong standard changes the case
Age. F1918 is written for children from 2 through 12. A toddler under 2 in a structure designed and labeled for that range, or a teenager in the same structure, is not a “kids will be kids” footnote. It is a scope fact. Age-banding, posted rules, and whether the operator enforced them become central.
The mechanism of injury. Indoor SCPE injuries often involve entrapment or entanglement in netting and openings, falls from internal platforms, slide-exit conditions, collisions inside enclosed corridors, degraded foam or impact-absorbing materials, overcrowding, or a child who could not get out. Those are F1918 issues. They are not “failed to pad a trampoline frame” issues.
Maintenance and inspection. F1918 includes a maintenance section. Manufacturer manuals for SCPE typically require periodic inspection of netting, connectors, padding, slide beds, and structural attachments. If the working file is built around F2970, those records may never be requested.
Fire and evacuation. Enclosed play systems create a hazard that open trampoline courts and outdoor playgrounds do not: children inside a multi-level structure who must get out. F1918 includes fire-safety and evacuation sections. In a smoke, crowding, or emergency-egress case, a trampoline-court analysis will miss the issue.
Daubert / Rule 702. An expert who applies trampoline-court practice to a soft-contained play structure is opining outside the standard that governs the equipment. That is a methodology problem, not just a disagreement about the facts.
Hybrid facilities make this worse, not better
Many modern venues mix attractions under one roof: a soft-contained playground, a small trampoline area, an inflatable, a café, party rooms.
One waiver. One staff. One brand name. Several standards.
The correct approach is modular. Identify the equipment involved in the incident, then apply the standard written for that equipment. A family entertainment center is not a single ASTM classification.
Peter Jay’s own facilities combined soft-contained play with small trampoline features. That is common. It is also why a one-standard report is often incomplete.
What counsel should obtain early
In an indoor-playground injury case, the useful first requests usually include:
- Manufacturer name, model, and installation drawings for the play system
- The operations and maintenance manual actually used — not a generic industry pamphlet
- Age recommendations and how they were posted and enforced
- Daily opening/closing checklists and inspection logs
- Repair, replacement, and incident records for the component involved (netting, slide, platform, ball pit, connectors)
- Staff training materials and supervision assignments for the play structure
- Occupancy or capacity practices inside the structure
- Any prior complaints involving the same component
- Whether trampoline courts, inflatables, or outdoor-playground equipment share the same floor and the same staff
Then compare those materials with ASTM F1918-21 — not with the standard the operator’s insurer happens to know.
Industry standards do not automatically establish liability. Courts may, however, permit evidence of industry standards and custom as bearing on the standard of care. That is why the right standard has to be in the file before the expert is asked to write.
How MIT Experts approaches these cases
MIT Experts is often retained on trampoline-park and zipline matters. Indoor playgrounds are a different practice, and they are a substantial part of how the firm actually operated.
Peter Jay, J.D., M.B.A., owned and operated indoor playgrounds constructed from soft-contained play equipment. He is also an ASTM F24 participant and a retained expert in amusement-industry litigation.
That combination matters in SCPE cases: the standard that applies is a consumer-product performance specification, but the defendant is usually an operator. Someone has to be able to speak to both the equipment and how these businesses are actually run.
MIT Experts provides confidential case evaluation for plaintiff and defense counsel, including standard-of-care analysis, discovery support, and expert reporting. Attorneys handling an indoor-playground injury are invited to request a case evaluation at mitexperts.com/caseevaluation.






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