diff --git a/backend/requests/lootboxes.http b/backend/requests/lootboxes.http
new file mode 100644
index 0000000..2c7fe2e
--- /dev/null
+++ b/backend/requests/lootboxes.http
@@ -0,0 +1,4 @@
+GET http://localhost:8080/lootboxes
+Authorization: Bearer {{token}}
+Content-Type: application/json
+
diff --git a/backend/src/main/java/de/szut/casino/CasinoApplication.java b/backend/src/main/java/de/szut/casino/CasinoApplication.java
index cc22e2c..2499781 100644
--- a/backend/src/main/java/de/szut/casino/CasinoApplication.java
+++ b/backend/src/main/java/de/szut/casino/CasinoApplication.java
@@ -11,6 +11,7 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.web.client.RestTemplate;
 
 import java.math.BigDecimal;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
@@ -30,55 +31,61 @@ public class CasinoApplication {
     public CommandLineRunner initData(LootBoxRepository lootBoxRepository, RewardRepository rewardRepository) {
         return _ -> {
             if (lootBoxRepository.count() == 0) {
-                // Create basic LootBox
                 LootBoxEntity basicLootBox = new LootBoxEntity();
                 basicLootBox.setName("Basic LootBox");
                 basicLootBox.setPrice(new BigDecimal("1.99"));
+                basicLootBox.setRewards(new ArrayList<>()); // Initialize the list
 
-                // Create premium LootBox
                 LootBoxEntity premiumLootBox = new LootBoxEntity();
                 premiumLootBox.setName("Premium LootBox");
                 premiumLootBox.setPrice(new BigDecimal("4.99"));
+                premiumLootBox.setRewards(new ArrayList<>()); // Initialize the list
 
-                // Save LootBoxes first to get IDs
+                // Save the loot boxes first
                 lootBoxRepository.saveAll(Arrays.asList(basicLootBox, premiumLootBox));
 
-                // Create rewards for basic LootBox
                 RewardEntity commonReward = new RewardEntity();
                 commonReward.setValue(new BigDecimal("0.50"));
                 commonReward.setProbability(new BigDecimal("70.00"));
-                commonReward.setLootBoxes(List.of(premiumLootBox));
 
                 RewardEntity rareReward = new RewardEntity();
                 rareReward.setValue(new BigDecimal("2.00"));
                 rareReward.setProbability(new BigDecimal("25.00"));
-                rareReward.setLootBoxes(List.of(basicLootBox));
 
                 RewardEntity epicReward = new RewardEntity();
                 epicReward.setValue(new BigDecimal("5.00"));
                 epicReward.setProbability(new BigDecimal("5.00"));
-                epicReward.setLootBoxes(List.of(basicLootBox));
 
-                // Create rewards for premium LootBox
                 RewardEntity premiumCommon = new RewardEntity();
                 premiumCommon.setValue(new BigDecimal("2.00"));
                 premiumCommon.setProbability(new BigDecimal("60.00"));
-                premiumCommon.setLootBoxes(List.of(premiumLootBox));
 
                 RewardEntity premiumRare = new RewardEntity();
                 premiumRare.setValue(new BigDecimal("5.00"));
                 premiumRare.setProbability(new BigDecimal("30.00"));
-                premiumRare.setLootBoxes(List.of(premiumLootBox));
 
                 RewardEntity legendaryReward = new RewardEntity();
                 legendaryReward.setValue(new BigDecimal("15.00"));
                 legendaryReward.setProbability(new BigDecimal("10.00"));
-                legendaryReward.setLootBoxes(List.of(premiumLootBox));
 
+                // Save all rewards
                 rewardRepository.saveAll(Arrays.asList(
                         commonReward, rareReward, epicReward,
                         premiumCommon, premiumRare, legendaryReward
                 ));
+
+                // Add relationships from the owning side (LootBox)
+                basicLootBox.getRewards().add(rareReward);
+                basicLootBox.getRewards().add(epicReward);
+
+                premiumLootBox.getRewards().add(commonReward);
+                premiumLootBox.getRewards().add(premiumCommon);
+                premiumLootBox.getRewards().add(premiumRare);
+                premiumLootBox.getRewards().add(legendaryReward);
+
+                // Update the loot boxes to save the relationships
+                lootBoxRepository.saveAll(Arrays.asList(basicLootBox, premiumLootBox));
+
                 System.out.println("Initial LootBoxes and rewards created successfully");
             } else {
                 System.out.println("LootBoxes already exist, skipping initialization");
diff --git a/backend/src/main/java/de/szut/casino/lootboxes/LootBoxController.java b/backend/src/main/java/de/szut/casino/lootboxes/LootBoxController.java
new file mode 100644
index 0000000..c885b5d
--- /dev/null
+++ b/backend/src/main/java/de/szut/casino/lootboxes/LootBoxController.java
@@ -0,0 +1,20 @@
+package de.szut.casino.lootboxes;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+public class LootBoxController {
+    private final LootBoxRepository lootBoxRepository;
+
+    public LootBoxController(LootBoxRepository lootBoxRepository) {
+        this.lootBoxRepository = lootBoxRepository;
+    }
+
+    @GetMapping("/lootboxes")
+    public List<LootBoxEntity> getAllLootBoxes() {
+        return lootBoxRepository.findAll();
+    }
+}
diff --git a/backend/src/main/java/de/szut/casino/lootboxes/LootBoxEntity.java b/backend/src/main/java/de/szut/casino/lootboxes/LootBoxEntity.java
index bd6c588..49eb532 100644
--- a/backend/src/main/java/de/szut/casino/lootboxes/LootBoxEntity.java
+++ b/backend/src/main/java/de/szut/casino/lootboxes/LootBoxEntity.java
@@ -2,6 +2,7 @@ package de.szut.casino.lootboxes;
 
 import com.fasterxml.jackson.annotation.JsonBackReference;
 import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonManagedReference;
 import de.szut.casino.blackjack.CardEntity;
 import jakarta.persistence.*;
 import lombok.AllArgsConstructor;
diff --git a/backend/src/main/java/de/szut/casino/lootboxes/RewardEntity.java b/backend/src/main/java/de/szut/casino/lootboxes/RewardEntity.java
index 97ad6d1..ce0c155 100644
--- a/backend/src/main/java/de/szut/casino/lootboxes/RewardEntity.java
+++ b/backend/src/main/java/de/szut/casino/lootboxes/RewardEntity.java
@@ -1,6 +1,7 @@
 package de.szut.casino.lootboxes;
 
 import com.fasterxml.jackson.annotation.JsonBackReference;
+import com.fasterxml.jackson.annotation.JsonManagedReference;
 import jakarta.persistence.*;
 import lombok.Getter;
 import lombok.Setter;
@@ -24,5 +25,6 @@ public class RewardEntity {
     private BigDecimal probability;
 
     @ManyToMany(mappedBy = "rewards")
+    @JsonBackReference
     private List<LootBoxEntity> lootBoxes = new ArrayList<>();
 }