diff --git a/app/api/case.py b/app/api/case.py
new file mode 100644
index 0000000..9196035
--- /dev/null
+++ b/app/api/case.py
@@ -0,0 +1,38 @@
+from fastapi import APIRouter, Depends
+from typing import List
+from app.services.case import CaseService
+from app.models.case import CaseCreate, CaseUpdate
+
+router = APIRouter(prefix="/cases", tags=["Cases"])
+
+def get_case_service():
+    return CaseService()
+
+@router.get("/")
+async def list_cases(case_service: CaseService = Depends(get_case_service)):
+    return await case_service.list_cases()
+
+@router.post("/")
+async def create_case(case_data: CaseCreate, case_service: CaseService = Depends(get_case_service)):
+    return await case_service.create_case(case_data)
+
+@router.get("/{case_id}")
+async def get_case(case_id: str, case_service: CaseService = Depends(get_case_service)):
+    return await case_service.get_case(case_id)
+
+@router.put("/{case_id}")
+async def update_case(case_id: str, data: CaseUpdate, case_service: CaseService = Depends(get_case_service)):
+    return await case_service.update_case(case_id, data)
+
+@router.delete("/{case_id}")
+async def delete_case(case_id: str, case_service: CaseService = Depends(get_case_service)):
+    return await case_service.delete_case(case_id)
+
+@router.post("/{case_id}/open")
+async def open_case(
+    case_id: str,
+    username: str,
+    server_id: str,
+    case_service: CaseService = Depends(get_case_service)
+):
+    return await case_service.open_case(username=username, case_id=case_id, server_id=server_id)
diff --git a/app/models/case.py b/app/models/case.py
new file mode 100644
index 0000000..d7a4b27
--- /dev/null
+++ b/app/models/case.py
@@ -0,0 +1,32 @@
+from pydantic import BaseModel, Field
+from typing import List, Optional, Dict
+
+class CaseItemMeta(BaseModel):
+    display_name: Optional[str] = None
+    lore: Optional[List[str]] = None
+    enchants: Optional[Dict[str, int]] = None
+    durability: Optional[int] = None
+
+class CaseItem(BaseModel):
+    id: Optional[str] = None
+    name: str
+    material: str
+    amount: int = 1
+    weight: int = 1
+    meta: Optional[CaseItemMeta] = None
+
+class CaseCreate(BaseModel):
+    name: str
+    description: Optional[str] = None
+    price: int = Field(gt=0)
+    server_ids: List[str] = Field(default_factory=lambda: ["*"])
+    image_url: Optional[str] = None          # 🔹 Картинка кейса
+    items: List[CaseItem]
+
+class CaseUpdate(BaseModel):
+    name: Optional[str] = None
+    description: Optional[str] = None
+    price: Optional[int] = Field(default=None, gt=0)
+    server_ids: Optional[List[str]] = None
+    image_url: Optional[str] = None          # 🔹 Можно менять картинку
+    items: Optional[List[CaseItem]] = None
\ No newline at end of file
diff --git a/app/services/case.py b/app/services/case.py
new file mode 100644
index 0000000..c041936
--- /dev/null
+++ b/app/services/case.py
@@ -0,0 +1,207 @@
+import uuid
+import random
+from datetime import datetime
+from fastapi import HTTPException
+
+from app.db.database import db, users_collection
+from app.services.coins import CoinsService
+from app.models.case import CaseCreate, CaseUpdate
+
+cases_collection = db.cases
+case_openings_collection = db.case_openings
+game_servers_collection = db.game_servers
+marketplace_operations = db.marketplace_operations  # уже есть в Marketplace.py :contentReference[oaicite:1]{index=1}
+
+
+class CaseService:
+    def __init__(self):
+        self.coins_service = CoinsService()
+
+    async def create_case(self, case_data: CaseCreate):
+        case_id = str(uuid.uuid4())
+
+        # Генерим id для предметов, если не заданы
+        items = []
+        for item in case_data.items:
+            item_dict = item.dict()
+            if not item_dict.get("id"):
+                item_dict["id"] = str(uuid.uuid4())
+            items.append(item_dict)
+
+        doc = {
+            "id": case_id,
+            "name": case_data.name,
+            "description": case_data.description,
+            "price": case_data.price,
+            "server_ids": case_data.server_ids or ["*"],
+            "image_url": case_data.image_url,          # 🔹 сохраняем картинку
+            "items": items,
+            "created_at": datetime.utcnow()
+        }
+
+        await cases_collection.insert_one(doc)
+        return {"status": "success", "id": case_id}
+
+    async def list_cases(self):
+        cases = await cases_collection.find().to_list(1000)
+        return [
+            {
+                "id": c["id"],
+                "name": c["name"],
+                "description": c.get("description"),
+                "price": c["price"],
+                "server_ids": c.get("server_ids", ["*"]),
+                "image_url": c.get("image_url"),        # 🔹 отдаем картинку
+                "items_count": len(c.get("items", []))
+            }
+            for c in cases
+        ]
+
+    async def get_case(self, case_id: str):
+        case = await cases_collection.find_one({"id": case_id})
+        if not case:
+            raise HTTPException(status_code=404, detail="Кейс не найден")
+        return case
+
+    async def update_case(self, case_id: str, data: CaseUpdate):
+        case = await cases_collection.find_one({"id": case_id})
+        if not case:
+            raise HTTPException(status_code=404, detail="Кейс не найден")
+
+        update = {}
+        if data.name is not None:
+            update["name"] = data.name
+        if data.description is not None:
+            update["description"] = data.description
+        if data.price is not None:
+            update["price"] = data.price
+        if data.server_ids is not None:
+            update["server_ids"] = data.server_ids
+        if data.image_url is not None:
+            update["image_url"] = data.image_url      # 🔹 обновляем картинку
+        if data.items is not None:
+            items = []
+            for item in data.items:
+                item_dict = item.dict()
+                if not item_dict.get("id"):
+                    item_dict["id"] = str(uuid.uuid4())
+                items.append(item_dict)
+            update["items"] = items
+
+        if update:
+            await cases_collection.update_one({"id": case_id}, {"$set": update})
+
+        return {"status": "success"}
+
+    async def delete_case(self, case_id: str):
+        result = await cases_collection.delete_one({"id": case_id})
+        if result.deleted_count == 0:
+            raise HTTPException(status_code=404, detail="Кейс не найден")
+        return {"status": "success"}
+
+    async def open_case(self, username: str, case_id: str, server_id: str):
+        # 1. Пользователь
+        user = await users_collection.find_one({"username": username})
+        if not user:
+            raise HTTPException(status_code=404, detail="Пользователь не найден")
+
+        # 2. Кейс
+        case = await cases_collection.find_one({"id": case_id})
+        if not case:
+            raise HTTPException(status_code=404, detail="Кейс не найден")
+
+        items = case.get("items", [])
+        if not items:
+            raise HTTPException(status_code=400, detail="В кейсе нет предметов")
+
+        # 3. Сервер
+        server = await game_servers_collection.find_one({"id": server_id})
+        if not server:
+            raise HTTPException(status_code=404, detail="Сервер не найден")
+
+        # Проверяем, доступен ли кейс на этом сервере (логика как у пакостей) :contentReference[oaicite:2]{index=2}
+        server_ids = case.get("server_ids", ["*"])
+        if server_ids and "*" not in server_ids and server_id not in server_ids:
+            raise HTTPException(status_code=400, detail="Кейс недоступен на выбранном сервере")
+
+        # 4. Проверяем баланс
+        user_balance = await self.coins_service.get_balance(username)
+        price = case["price"]
+
+        if user_balance < price:
+            raise HTTPException(
+                status_code=400,
+                detail=f"Недостаточно монет. Требуется: {price}, имеется: {user_balance}"
+            )
+
+        # 5. Выбираем предмет по весам (шансам)
+        weights = [max(0, i.get("weight", 1)) for i in items]
+        total_weight = sum(weights)
+        if total_weight <= 0:
+            raise HTTPException(status_code=500, detail="Неверно настроены шансы предметов (вес ≤ 0)")
+
+        rnd = random.uniform(0, total_weight)
+        current = 0
+        chosen_item = None
+        for item, w in zip(items, weights):
+            current += w
+            if rnd <= current:
+                chosen_item = item
+                break
+
+        if not chosen_item:
+            # на всякий случай, но по логике не должно случиться
+            chosen_item = items[-1]
+
+        # 6. Списываем монеты
+        await self.coins_service.decrease_balance(username, price)
+
+        # 7. Создаём операцию для сервера — как в Marketplace, только другой type :contentReference[oaicite:3]{index=3}
+        operation_id = str(uuid.uuid4())
+
+        item_data = {
+            "material": chosen_item["material"],
+            "amount": chosen_item.get("amount", 1),
+            "meta": (chosen_item.get("meta") or {})
+        }
+
+        operation = {
+            "id": operation_id,
+            "type": "case_reward",
+            "player_name": username,
+            "item_data": item_data,
+            "price": 0,  # тут можно не использовать, т.к. уже оплачен сам кейс
+            "server_ip": server.get("ip"),
+            "status": "pending",
+            "created_at": datetime.utcnow(),
+            "case_id": case_id,
+            "case_name": case["name"],
+        }
+
+        await marketplace_operations.insert_one(operation)
+
+        # 8. Лог открытия кейса
+        opening_log = {
+            "id": str(uuid.uuid4()),
+            "username": username,
+            "user_id": user.get("_id"),
+            "case_id": case_id,
+            "case_name": case["name"],
+            "server_id": server_id,
+            "server_ip": server.get("ip"),
+            "reward_item": chosen_item,
+            "price": price,
+            "opened_at": datetime.utcnow()
+        }
+        await case_openings_collection.insert_one(opening_log)
+
+        # 9. Можно вернуть новый баланс
+        new_balance = await self.coins_service.get_balance(username)
+
+        return {
+            "status": "success",
+            "message": f"Кейс '{case['name']}' открыт",
+            "reward": chosen_item,
+            "operation_id": operation_id,
+            "balance": new_balance
+        }