diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index 7738be1d3b..bc7c3fc104 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -1492,6 +1492,8 @@ void Application::idle() {
                 _idleLoopMeasuredJitter = _idleLoopStdev.getStDev();
                 _idleLoopStdev.reset();
             }
+            
+            _buckyBalls.simulate(timeSinceLastUpdate / 1000.f, Application::getInstance()->getAvatar()->getHandData());
 
             // After finishing all of the above work, restart the idle timer, allowing 2ms to process events.
             idleTimer->start(2);
@@ -2809,6 +2811,8 @@ void Application::displaySide(Camera& whichCamera, bool selfAvatarOnly) {
                 "Application::displaySide() ... metavoxels...");
             _metavoxels.render();
         }
+        
+        _buckyBalls.render();
 
         // render particles...
         _particles.render();
diff --git a/interface/src/Application.h b/interface/src/Application.h
index cb1ba2f949..10da600f65 100644
--- a/interface/src/Application.h
+++ b/interface/src/Application.h
@@ -32,6 +32,7 @@
 #include "Audio.h"
 
 #include "BandwidthMeter.h"
+#include "BuckyBalls.h"
 #include "Camera.h"
 #include "DatagramProcessor.h"
 #include "Environment.h"
@@ -378,6 +379,8 @@ private:
     bool _justStarted;
 
     Stars _stars;
+    
+    BuckyBalls _buckyBalls;
 
     VoxelSystem _voxels;
     VoxelTree _clipboard; // if I copy/paste
diff --git a/interface/src/BuckyBalls.cpp b/interface/src/BuckyBalls.cpp
index fec77d97f3..4c7797d062 100644
--- a/interface/src/BuckyBalls.cpp
+++ b/interface/src/BuckyBalls.cpp
@@ -54,9 +54,12 @@ BuckyBalls::BuckyBalls() {
     }
 }
 
-void BuckyBalls::grab(PalmData& palm, const glm::vec3& fingerTipPosition, glm::quat avatarOrientation, float deltaTime) {
+void BuckyBalls::grab(PalmData& palm, float deltaTime) {
     float penetration;
     glm::vec3 diff;
+    FingerData& finger = palm.getFingers()[0];   //  Sixense has only one finger
+    glm::vec3 fingerTipPosition = finger.getTipPosition();
+
     if (palm.getControllerButtons() & BUTTON_FWD) {
         if (!_bballIsGrabbed[palm.getSixenseID()]) {
             // Look for a ball to grab
@@ -89,7 +92,13 @@ const float COLLISION_BLEND_RATE = 0.5f;
 const float ATTRACTION_BLEND_RATE = 0.9f;
 const float ATTRACTION_VELOCITY_BLEND_RATE = 0.10f;
 
-void BuckyBalls::simulate(float deltaTime) {
+void BuckyBalls::simulate(float deltaTime, const HandData* handData) {
+    //  First, update the grab behavior from the hand controllers
+    for (size_t i = 0; i < handData->getNumPalms(); ++i) {
+        PalmData palm = handData->getPalms()[i];
+        grab(palm, deltaTime);
+    }
+
     //  Look for collisions
     for (int i = 0; i < NUM_BBALLS; i++) {
         if (_bballElement[i] != 1) {
diff --git a/interface/src/BuckyBalls.h b/interface/src/BuckyBalls.h
index 19a589035d..705f85517f 100644
--- a/interface/src/BuckyBalls.h
+++ b/interface/src/BuckyBalls.h
@@ -26,8 +26,8 @@ const int NUM_BBALLS = 200;
 class BuckyBalls {
 public:
     BuckyBalls();
-    void grab(PalmData& palm, const glm::vec3& fingerTipPosition, glm::quat avatarOrientation, float deltaTime);
-    void simulate(float deltaTime);
+    void grab(PalmData& palm, float deltaTime);
+    void simulate(float deltaTime, const HandData* handData);
     void render();