diff --git a/Tween.h b/Tween.h
index 9e7fe50..9c15970 100644
--- a/Tween.h
+++ b/Tween.h
@@ -2,6 +2,8 @@
 #include "Easing.h"
 #include "TimeWarp.h"
 
+#include <functional>
+
 //----------------------------------------------------------------------
 //                         EASING HELPERS                                
 //----------------------------------------------------------------------
@@ -167,6 +169,8 @@ public:
     frameTime = 1000 / fps;
   }
 
+  uint16_t getFrameTime() const { return frameTime; }
+
   float getFrom() const {
     return from;
   }
@@ -255,7 +259,7 @@ class AnimationChain : public TweenListener {
           chainPlaying = true;
           launchCurrent();
           
-          Serial.printf("Chain start [%d]\n", currentIndex);
+          // Serial.printf("Chain start [%d]\n", currentIndex);
       }
   
       void stop() {
@@ -278,6 +282,8 @@ class AnimationChain : public TweenListener {
         return from == to;
       }
 
+      Tween& getTween() { return tween; }
+
       //------------------------------------------------------------------
       //                           STATE                                  
       //------------------------------------------------------------------
@@ -298,10 +304,10 @@ class AnimationChain : public TweenListener {
       void onTweenFinished(Tween& /*t*/) override {
         ++currentIndex;
         if (currentIndex < animations.size()) {
-          Serial.printf("Chain  next [%d]\n", currentIndex);
+          // Serial.printf("Chain  next [%d]\n", currentIndex);
           launchCurrent();
         } else {
-          Serial.printf("Chain  stop [x]\n", currentIndex);
+          // Serial.printf("Chain  stop [x]\n", currentIndex);
           chainPlaying = false;   // вся цепочка закончилась
         }
       }