diff --git a/types/animation.d.ts b/types/animation.d.ts
index 24ca13e..b52038e 100644
--- a/types/animation.d.ts
+++ b/types/animation.d.ts
@@ -1,23 +1,19 @@
 import { PlayerObject } from './model'
 
-declare function invokeAnimation(
-  animation: CompositeAnimation,
-  player: PlayerObject,
-  time: number
-): void
+export type Animation = CompositeAnimation | typeof WalkAnimation
 
 declare function invokeAnimation(
-  animation: typeof WalkAnimation,
+  animation: Animation,
   player: PlayerObject,
   time: number
 ): void
 
 declare class AnimationHandle {
-  animation: typeof WalkAnimation
+  animation: Animation
   paused: boolean
   speed: number
 
-  constructor(animation: typeof WalkAnimation)
+  constructor(animation: Animation)
 
   play(player: PlayerObject, time: number): void
 
@@ -29,7 +25,7 @@ export class CompositeAnimation {
 
   constructor()
 
-  add(animation: typeof WalkAnimation): AnimationHandle
+  add(animation: Animation): AnimationHandle
 
   play(player: PlayerObject, time: number): void
 }
diff --git a/types/viewer.d.ts b/types/viewer.d.ts
index 09a7707..1eb5ee9 100644
--- a/types/viewer.d.ts
+++ b/types/viewer.d.ts
@@ -1,8 +1,11 @@
-import { CompositeAnimation, WalkAnimation } from './animation';
+import * as THREE from 'three'
+import { CompositeAnimation, WalkAnimation } from './animation'
+import { Animation } from './animation'
+import { PlayerObject } from './model'
 
 interface SkinViewerOptions {
   domElement: Element
-  animation?: CompositeAnimation | typeof WalkAnimation
+  animation?: Animation
   slim?: boolean
   skinUrl?: string
   capeUrl?: string
@@ -15,6 +18,15 @@ export class SkinViewer {
   capeUrl: string
   width: number
   height: number
+  readonly domElement: Element
+  animation: Animation
+  animationPaused: boolean
+  animationTime: number
+  readonly playerObject: PlayerObject
+  readonly disposed: boolean
+  readonly camera: THREE.Camera
+  readonly renderer: THREE.Renderer
+  readonly scene: THREE.Scene
 
   constructor(options: SkinViewerOptions)
 
@@ -24,6 +36,9 @@ export class SkinViewer {
 }
 
 export class SkinControl {
+  enableAnimationControl: boolean
+  readonly skinViewer: SkinViewer
+
   constructor(skinViewer: SkinViewer)
 
   dispose(): void