diff --git a/src/app/app.module.ts b/src/app/app.module.ts
index 758e450..c668095 100644
--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -6,6 +6,7 @@ import { AppComponent } from './app.component';
 import { HomeComponent } from '../components/home/home.component';
 import { ReactiveFormsModule } from '@angular/forms';
 import { LayoutComponent } from '../components/layout/layout.component';
+import { PoolService } from 'src/shared/pool.service';
 
 @NgModule({
   declarations: [
@@ -18,7 +19,7 @@ import { LayoutComponent } from '../components/layout/layout.component';
     AppRoutingModule,
     ReactiveFormsModule
   ],
-  providers: [],
+  providers: [PoolService],
   bootstrap: [AppComponent]
 })
 export class AppModule { }
diff --git a/src/components/home/home.component.ts b/src/components/home/home.component.ts
index d1bb4fe..2e8af8d 100644
--- a/src/components/home/home.component.ts
+++ b/src/components/home/home.component.ts
@@ -1,10 +1,13 @@
-import { Component, OnInit } from '@angular/core';
+import { Component, OnDestroy, OnInit } from '@angular/core';
 import { FormBuilder } from '@angular/forms';
 import { Champion } from 'src/models/champion';
 import { Bonus } from 'src/models/bonus';
-import { Constants } from 'src/common/constants';
+import { PoolService } from 'src/shared/pool.service';
+
 import { DomSanitizer } from '@angular/platform-browser';
 import * as _ from 'lodash';
+import { Subscription } from 'rxjs';
+
 
 
 @Component({
@@ -13,32 +16,46 @@ import * as _ from 'lodash';
   styleUrls: ['./home.component.scss']
 })
 
-export class HomeComponent implements OnInit {
-  teamSize = 0;
-  champions: Champion[] = [...Constants.Champions];
-  roles = [...Constants.roles];
+export class HomeComponent implements OnInit, OnDestroy {
   formFilters;
-  championsPool: Champion[] = [];
-  rolesPool = [];
-  rolesCount = [];
-  bonuses: Bonus [] = [...Constants.bonuses];
-  bonusesPool: Bonus [] = [];
+  bonusesPool: Bonus[] = [];
+  champions: Champion[] = [];
   noChampSelected = true;
-  selectedRole = '';
+  roles: [] = [];
+  rolesCount: [] = [];
+  rolesPool: [] = [];
+  teamSize = 0;
+  subscription: Subscription;
+
 
   constructor(
     private fb: FormBuilder,
-    private sanitizer: DomSanitizer
-  ) { }
+    private sanitizer: DomSanitizer,
+    private poolService: PoolService
+  ) {
+    this.subscription = this.poolService.setChampions().subscribe( data => {
+      if (data) {
+        const  {champions, roles, rolesPool, bonusesPool, noChampSelected, teamSize } = data;
+        this.champions = champions;
+        this.roles = roles;
+        this.rolesPool = rolesPool;
+        this.bonusesPool = bonusesPool;
+        this.noChampSelected = noChampSelected;
+        this.teamSize = teamSize;
+      }
+    })
+  }
 
-  ngOnInit() {
-    this.roles.forEach(role => {
-      this.rolesCount[role] = 0;
-    });
+  ngOnInit(): void {
     this.formFilters = this.fb.group({
       teamSize: [this.teamSize]
     });
-    this.championSort(Constants.championName);
+  }
+
+  ngOnDestroy(): void {
+    if(this.subscription) {
+      this.subscription.unsubscribe();
+    }
   }
 
   /**
@@ -49,55 +66,15 @@ export class HomeComponent implements OnInit {
     return this.sanitizer.bypassSecurityTrustStyle(`url(${'../../assets/images/' + name + '.png'})`);
   }
 
+
   /**
    * Select or unselect champion
    * @param champion model
    */
-  selectChampion(champion) {
-    const champIndex = this.champions.findIndex((champ => champ.name === champion.name));
-    if (!this.champions[champIndex].isSelected) {
-        this.champions[champIndex].isSelected = true;
-        this.championsPool.push(champion);
-        champion.roles.forEach( role => {
-          this.rolesCount[role]++;
-        });
-        this.formFilters.patchValue({
-          teamSize: ++this.teamSize
-        });
-        this.noChampSelected = false;
-    } else {
-        this.champions[champIndex].isSelected = false;
-        this.championsPool = _.remove(this.championsPool, champ => {
-          return champ.name !== champion.name;
-        });
-        champion.roles.forEach(role => {
-          this.rolesCount[role]--;
-        });
-        this.formFilters.patchValue({
-          teamSize: --this.teamSize
-        });
-        if ( this.teamSize === 0 ) {
-          this.noChampSelected = true;
-        }
-    }
-    this.getBonus();
-    this.updatePool();
-    this.updateSinergies();
-  }
-
-  /**
-   * Sort champion by param
-   * @param param use to sort
-   */
-  championSort(param) {
-    this.champions.sort( (a, b) => {
-      if (a[param] > b[param]) {
-        return 1;
-      }
-      if (a[param] < b[param]) {
-        return -1;
-      }
-      return 0;
+   selectChampion(champion) {
+    this.poolService.selectChampion(champion);
+    this.formFilters.patchValue({
+      teamSize: this.teamSize
     });
   }
 
@@ -106,116 +83,24 @@ export class HomeComponent implements OnInit {
    * @param role name of role
    */
   selectRole(role) {
-    if (role !== this.selectedRole) {
-      this.resetComposition();
-      this.selectedRole = role;
-      let countChampions = 0;
-      this.champions.map( champion => {
-        if (_.indexOf(champion.roles, role) !== -1) {
-          champion.isSelected = true;
-          countChampions++;
-          this.championsPool.push(champion);
-          champion.roles.forEach( rol => {
-            this.rolesCount[rol]++;
-          });
-        }
-        return champion;
-      });
-      this.updatePool();
-      this.updateSinergies();
-      this.teamSize = countChampions;
-      this.formFilters.patchValue({
-        teamSize: this.teamSize
-      });
-      this.getBonus();
-      this.noChampSelected = false;
-    } else {
-      this.resetComposition();
-    }
-  }
-
-  /**
-   * Get champions bonuses
-   */
-  getBonus() {
-    this.bonusesPool = [];
-    this.bonuses.forEach( bonus => {
-      if (bonus.role === 'ninja' ) {
-        if ( this.rolesCount[bonus.role] === bonus.units) {
-          this.bonusesPool[bonus.role] = bonus;
-        }
-      } else if (bonus.units <= this.rolesCount[bonus.role]) {
-        this.bonusesPool[bonus.role] = bonus;
-      }
-
+    this.poolService.selectRole(role);
+    this.formFilters.patchValue({
+      teamSize: this.teamSize
     });
   }
 
-  /**
-   * Update role pool
-   */
-  updatePool() {
-    this.rolesPool = [];
-    this.championsPool.forEach( champion => {
-      this.rolesPool = _.union(this.rolesPool, champion.roles);
-    });
-  }
-
-  /**
-   * Update sinergies
-   */
-  updateSinergies() {
-    this.champions.map(champion => {
-      champion.sinergy2 = false;
-      return champion.sinergy = false;
-    });
-    this.champions.map(champion => {
-        let countRoles = 0;
-        this.rolesPool.forEach( role => {
-          if (_.indexOf(champion.roles, role) !== -1 ) {
-            countRoles++;
-          }
-        });
-        switch (countRoles) {
-          case 1:
-              return champion.sinergy = true;
-              break;
-          case 2:
-              return champion.sinergy2 = true;
-              break;
-        }
-    });
-
-  }
-
   /**
    * Check role filter selected
    * @param role name
    */
   checkRoleFilter(role) {
-    if (this.selectedRole === role) {
-      return true;
-    } else {
-      return false;
-    }
+    return this.poolService.checkRoleFilter(role);
   }
 
   /**
    * Reset composition
    */
   resetComposition() {
-    this.rolesCount = [];
-    this.rolesPool = [];
-    this.championsPool = [];
-    this.noChampSelected = true;
-    this.selectedRole = '';
-    this.teamSize = 0;
-    this.champions.map(champion => {
-      champion.sinergy = false;
-      champion.sinergy2 = false;
-      champion.isSelected = false;
-      return champion;
-    });
-    this.ngOnInit();
+    this.poolService.resetComposition();
   }
 }
diff --git a/src/common/constants.ts b/src/shared/constants.ts
similarity index 100%
rename from src/common/constants.ts
rename to src/shared/constants.ts
diff --git a/src/shared/pool.service.ts b/src/shared/pool.service.ts
new file mode 100644
index 0000000..850783c
--- /dev/null
+++ b/src/shared/pool.service.ts
@@ -0,0 +1,216 @@
+import { Injectable } from '@angular/core';
+import { BehaviorSubject, Observable } from 'rxjs';
+
+import { Constants } from 'src/shared/constants';
+import { Bonus } from 'src/models/bonus';
+import { Champion } from 'src/models/champion';
+
+import * as _ from 'lodash';
+
+@Injectable({
+  providedIn: 'root',
+})
+export class PoolService {
+  bonuses: Bonus[] = [...Constants.bonuses];
+  bonusesPool: Bonus[] = [];
+  champions: Champion[] = [...Constants.Champions];
+  championsPool: Champion[] = [];
+  noChampSelected = true;
+  roles = [...Constants.roles];
+  rolesCount = [];
+  rolesPool = [];
+  selectedRole = '';
+  teamSize = 0;
+  dataToShare = new BehaviorSubject<any>(null);
+
+  constructor() { }
+
+  /**
+   * Set Champion pool and return data
+   * @returns Observable
+   */
+  setChampions(): Observable<any> {
+    this.roles.forEach(role => {
+      this.rolesCount[role] = 0;
+    });
+    this.championSort(Constants.championName);
+    this.updateDataToShare();
+    return this.dataToShare.asObservable();
+  }
+
+  updateDataToShare() {
+    this.dataToShare.next({
+      champions: this.champions,
+      roles: this.roles,
+      rolesCount: this.rolesCount,
+      rolesPool: this.rolesPool,
+      bonusesPool: this.bonusesPool,
+      noChampSelected: this.noChampSelected,
+      teamSize: this.teamSize
+    });
+  }
+
+  /**
+   * Select or unselect champion
+   * @param champion model
+   */
+  selectChampion(champion) {
+    const champIndex = this.champions.findIndex((champ => champ.name === champion.name));
+    if (!this.champions[champIndex].isSelected) {
+      this.champions[champIndex].isSelected = true;
+      this.championsPool.push(champion);
+      champion.roles.forEach(role => {
+        this.rolesCount[role]++;
+      });
+      this.teamSize++;
+      this.noChampSelected = false;
+    } else {
+      this.champions[champIndex].isSelected = false;
+      this.championsPool = _.remove(this.championsPool, champ => {
+        return champ.name !== champion.name;
+      });
+      champion.roles.forEach(role => {
+        this.rolesCount[role]--;
+      });
+      this.teamSize--;
+      if (this.teamSize === 0) {
+        this.noChampSelected = true;
+      }
+    }
+    this.getBonus();
+    this.updatePool();
+    this.updateSinergies();
+    this.updateDataToShare();
+  }
+
+
+  /**
+   * Sort champion by param
+   * @param param use to sort
+   */
+  championSort(param) {
+    this.champions.sort((a, b) => {
+      if (a[param] > b[param]) {
+        return 1;
+      }
+      if (a[param] < b[param]) {
+        return -1;
+      }
+      return 0;
+    });
+  }
+
+  /**
+   * Select role pool
+   * @param role name of role
+   */
+  selectRole(role): void {
+    if (role !== this.selectedRole) {
+      this.resetComposition();
+      this.selectedRole = role;
+      let countChampions = 0;
+      this.champions.map(champion => {
+        if (_.indexOf(champion.roles, role) !== -1) {
+          champion.isSelected = true;
+          countChampions++;
+          this.championsPool.push(champion);
+          champion.roles.forEach(rol => {
+            this.rolesCount[rol]++;
+          });
+        }
+        return champion;
+      });
+      this.updatePool();
+      this.updateSinergies();
+      this.teamSize = countChampions;
+      this.getBonus();
+      this.noChampSelected = false;
+    } else {
+      this.resetComposition();
+    }
+    this.updateDataToShare();
+  }
+
+  /**
+   * Get champions bonuses
+   */
+  getBonus() {
+    this.bonusesPool = [];
+    this.bonuses.forEach(bonus => {
+      if (bonus.role === 'ninja') {
+        if (this.rolesCount[bonus.role] === bonus.units) {
+          this.bonusesPool[bonus.role] = bonus;
+        }
+      } else if (bonus.units <= this.rolesCount[bonus.role]) {
+        this.bonusesPool[bonus.role] = bonus;
+      }
+    });
+  }
+
+  /**
+   * Update role pool
+   */
+  updatePool() {
+    this.rolesPool = [];
+    this.championsPool.forEach(champion => {
+      this.rolesPool = _.union(this.rolesPool, champion.roles);
+    });
+  }
+
+  /**
+   * Update sinergies
+   */
+  updateSinergies() {
+    this.champions.map(champion => {
+      champion.sinergy2 = false;
+      return champion.sinergy = false;
+    });
+    this.champions.map(champion => {
+      let countRoles = 0;
+      this.rolesPool.forEach(role => {
+        if (_.indexOf(champion.roles, role) !== -1) {
+          countRoles++;
+        }
+      });
+      switch (countRoles) {
+        case 1:
+          return champion.sinergy = true;
+        case 2:
+          return champion.sinergy2 = true;
+      }
+    });
+
+  }
+
+  /**
+   * Check role filter selected
+   * @param role name
+   */
+  checkRoleFilter(role) {
+    if (this.selectedRole === role) {
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+  /**
+   * Reset composition
+   */
+  resetComposition() {
+    this.rolesCount = [];
+    this.rolesPool = [];
+    this.championsPool = [];
+    this.noChampSelected = true;
+    this.selectedRole = '';
+    this.teamSize = 0;
+    this.champions.map(champion => {
+      champion.sinergy = false;
+      champion.sinergy2 = false;
+      champion.isSelected = false;
+      return champion;
+    });
+    this.updateDataToShare();
+  }
+
+}
\ No newline at end of file