diff --git a/app/src/main/java/com/annimon/hotarufx/visual/Property.java b/app/src/main/java/com/annimon/hotarufx/visual/Property.java
new file mode 100644
index 0000000..ce1da81
--- /dev/null
+++ b/app/src/main/java/com/annimon/hotarufx/visual/Property.java
@@ -0,0 +1,16 @@
+package com.annimon.hotarufx.visual;
+
+import java.util.function.Supplier;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
+public final class Property {
+
+    @Getter
+    private final PropertyType type;
+
+    @Getter
+    private final Supplier<PropertyTimeline<?>> property;
+
+}
diff --git a/app/src/main/java/com/annimon/hotarufx/visual/PropertyBindings.java b/app/src/main/java/com/annimon/hotarufx/visual/PropertyBindings.java
new file mode 100644
index 0000000..1a5ac38
--- /dev/null
+++ b/app/src/main/java/com/annimon/hotarufx/visual/PropertyBindings.java
@@ -0,0 +1,17 @@
+package com.annimon.hotarufx.visual;
+
+import java.util.HashMap;
+import java.util.function.Supplier;
+
+public final class PropertyBindings extends HashMap<String, Property> {
+
+    public PropertyBindings add(String key, PropertyType type, Supplier<PropertyTimeline<?>> property) {
+        super.put(key, new Property(type, property));
+        return this;
+    }
+
+    public PropertyBindings merge(PropertyBindings bindings) {
+        super.putAll(bindings);
+        return this;
+    }
+}
diff --git a/app/src/main/java/com/annimon/hotarufx/visual/PropertyType.java b/app/src/main/java/com/annimon/hotarufx/visual/PropertyType.java
new file mode 100644
index 0000000..cf08e99
--- /dev/null
+++ b/app/src/main/java/com/annimon/hotarufx/visual/PropertyType.java
@@ -0,0 +1,31 @@
+package com.annimon.hotarufx.visual;
+
+import com.annimon.hotarufx.lib.NumberValue;
+import com.annimon.hotarufx.lib.StringValue;
+import com.annimon.hotarufx.lib.Types;
+import com.annimon.hotarufx.lib.Value;
+import java.util.function.Function;
+import javafx.scene.paint.Color;
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor(access = AccessLevel.PACKAGE)
+@Getter
+public enum PropertyType {
+
+    NUMBER(toNumber(), o -> NumberValue.of((Number) o)),
+    PAINT(v -> Color.valueOf(v.asString()), o -> new StringValue(o.toString()));
+
+    private final Function<Value, Object> fromHFX;
+    private final Function<Object, Value> toHFX;
+
+    private static Function<Value, Object> toNumber() {
+        return value -> {
+            if (value.type() == Types.NUMBER) {
+                return ((NumberValue) value).raw();
+            }
+            return value.asNumber();
+        };
+    }
+}
diff --git a/app/src/main/java/com/annimon/hotarufx/visual/objects/CircleNode.java b/app/src/main/java/com/annimon/hotarufx/visual/objects/CircleNode.java
index 50be055..16b66f6 100644
--- a/app/src/main/java/com/annimon/hotarufx/visual/objects/CircleNode.java
+++ b/app/src/main/java/com/annimon/hotarufx/visual/objects/CircleNode.java
@@ -1,10 +1,12 @@
 package com.annimon.hotarufx.visual.objects;
 
+import com.annimon.hotarufx.visual.PropertyBindings;
 import com.annimon.hotarufx.visual.PropertyTimelineHolder;
 import com.annimon.hotarufx.visual.PropertyTimeline;
 import com.annimon.hotarufx.visual.TimeLine;
 import com.annimon.hotarufx.visual.visitors.NodeVisitor;
 import javafx.scene.shape.Circle;
+import static com.annimon.hotarufx.visual.PropertyType.*;
 
 public class CircleNode extends ShapeNode {
 
@@ -36,6 +38,7 @@ public class CircleNode extends ShapeNode {
         return radius.setIfEmptyThenGet(circle::radiusProperty);
     }
 
+    @Override
     public void buildTimeline(TimeLine timeline) {
         super.buildTimeline(timeline);
         centerX.ifPresent(PropertyConsumers.numberConsumer(timeline));
@@ -43,6 +46,16 @@ public class CircleNode extends ShapeNode {
         radius.ifPresent(PropertyConsumers.numberConsumer(timeline));
     }
 
+    @Override
+    public PropertyBindings propertyBindings(PropertyBindings bindings) {
+        return super.propertyBindings(bindings)
+                .add("cx", NUMBER, this::centerXProperty)
+                .add("centerX", NUMBER, this::centerXProperty)
+                .add("cy", NUMBER, this::centerYProperty)
+                .add("centerY", NUMBER, this::centerYProperty)
+                .add("radius", NUMBER, this::radiusProperty);
+    }
+
     @Override
     public <R, T> R accept(NodeVisitor<R, T> visitor, T input) {
         return visitor.visit(this, input);
diff --git a/app/src/main/java/com/annimon/hotarufx/visual/objects/ObjectNode.java b/app/src/main/java/com/annimon/hotarufx/visual/objects/ObjectNode.java
index 2b3a8d2..4013ad6 100644
--- a/app/src/main/java/com/annimon/hotarufx/visual/objects/ObjectNode.java
+++ b/app/src/main/java/com/annimon/hotarufx/visual/objects/ObjectNode.java
@@ -1,5 +1,6 @@
 package com.annimon.hotarufx.visual.objects;
 
+import com.annimon.hotarufx.visual.PropertyBindings;
 import com.annimon.hotarufx.visual.TimeLine;
 import com.annimon.hotarufx.visual.visitors.NodeVisitor;
 import javafx.scene.Node;
@@ -12,8 +13,14 @@ public abstract class ObjectNode {
         this.node = node;
     }
 
-    public void buildTimeline(TimeLine timeline) {
+    public void buildTimeline(TimeLine timeline) { }
 
+    public final PropertyBindings propertyBindings() {
+        return propertyBindings(new PropertyBindings());
+    }
+
+    protected PropertyBindings propertyBindings(PropertyBindings bindings) {
+        return bindings;
     }
 
     public abstract <R, T> R accept(NodeVisitor<R, T> visitor, T input);
diff --git a/app/src/main/java/com/annimon/hotarufx/visual/objects/ShapeNode.java b/app/src/main/java/com/annimon/hotarufx/visual/objects/ShapeNode.java
index 98cecc8..fca2db2 100644
--- a/app/src/main/java/com/annimon/hotarufx/visual/objects/ShapeNode.java
+++ b/app/src/main/java/com/annimon/hotarufx/visual/objects/ShapeNode.java
@@ -1,10 +1,12 @@
 package com.annimon.hotarufx.visual.objects;
 
+import com.annimon.hotarufx.visual.PropertyBindings;
 import com.annimon.hotarufx.visual.PropertyTimeline;
 import com.annimon.hotarufx.visual.PropertyTimelineHolder;
 import com.annimon.hotarufx.visual.TimeLine;
 import javafx.scene.paint.Paint;
 import javafx.scene.shape.Shape;
+import static com.annimon.hotarufx.visual.PropertyType.*;
 
 public abstract class ShapeNode extends ObjectNode {
 
@@ -27,9 +29,17 @@ public abstract class ShapeNode extends ObjectNode {
         return stroke.setIfEmptyThenGet(shape::strokeProperty);
     }
 
+    @Override
     public void buildTimeline(TimeLine timeline) {
         super.buildTimeline(timeline);
         fill.ifPresent(PropertyConsumers.paintConsumer(timeline));
         stroke.ifPresent(PropertyConsumers.paintConsumer(timeline));
     }
+
+    @Override
+    public PropertyBindings propertyBindings(PropertyBindings bindings) {
+        return super.propertyBindings(bindings)
+                .add("fill", PAINT, this::fillProperty)
+                .add("stroke", PAINT, this::strokeProperty);
+    }
 }