diff --git a/src/OpenXml/Presentation/BuildList.ts b/src/OpenXml/Presentation/BuildList.ts
new file mode 100644
index 0000000..570e5ed
--- /dev/null
+++ b/src/OpenXml/Presentation/BuildList.ts
@@ -0,0 +1,12 @@
+import { defineChild, defineElement, OOXML } from '../../core'
+
+/**
+ * https://learn.microsoft.com/dotnet/api/documentformat.openxml.presentation.buildlist
+ */
+@defineElement('p:bldLst')
+export class BuildList extends OOXML {
+  @defineChild('p:bldDgm') declare bldDgm?: OOXML
+  @defineChild('p:bldGraphic') declare bldGraphic?: OOXML
+  @defineChild('p:bldOleChart') declare bldOleChart?: OOXML
+  @defineChild('p:bldP') declare bldP?: OOXML
+}
diff --git a/src/OpenXml/Presentation/ChildTimeNodeList.ts b/src/OpenXml/Presentation/ChildTimeNodeList.ts
new file mode 100644
index 0000000..ebd9a79
--- /dev/null
+++ b/src/OpenXml/Presentation/ChildTimeNodeList.ts
@@ -0,0 +1,22 @@
+import type { SequenceTimeNode } from './SequenceTimeNode'
+import { defineChild, defineElement, OOXML } from '../../core'
+
+/**
+ * https://learn.microsoft.com/dotnet/api/documentformat.openxml.presentation.childtimenodelist
+ */
+@defineElement('p:childTnLst')
+export class ChildTimeNodeList extends OOXML {
+  @defineChild('p:anim') declare anim?: OOXML
+  @defineChild('p:animClr') declare animClr?: OOXML
+  @defineChild('p:animEffect') declare animEffect?: OOXML
+  @defineChild('p:animMotion') declare animMotion?: OOXML
+  @defineChild('p:animRot') declare animRot?: OOXML
+  @defineChild('p:animScale') declare animScale?: OOXML
+  @defineChild('p:audio') declare audio?: OOXML
+  @defineChild('p:cmd') declare cmd?: OOXML
+  @defineChild('p:excl') declare excl?: OOXML
+  @defineChild('p:par') declare par?: OOXML
+  @defineChild('p:seq') declare seq?: SequenceTimeNode
+  @defineChild('p:set') declare set?: OOXML
+  @defineChild('p:video') declare video?: OOXML
+}
diff --git a/src/OpenXml/Presentation/CommonTimeNode.ts b/src/OpenXml/Presentation/CommonTimeNode.ts
new file mode 100644
index 0000000..1cf3d77
--- /dev/null
+++ b/src/OpenXml/Presentation/CommonTimeNode.ts
@@ -0,0 +1,39 @@
+import type { ChildTimeNodeList } from './ChildTimeNodeList'
+import { defineAttribute, defineChild, defineElement, OOXML } from '../../core'
+
+/**
+ * https://learn.microsoft.com/dotnet/api/documentformat.openxml.presentation.commontimenode
+ */
+@defineElement('p:cTn')
+export class CommonTimeNode extends OOXML {
+  @defineAttribute('accel') declare accel?: any
+  @defineAttribute('afterEffect') declare afterEffect?: any
+  @defineAttribute('autoRev') declare autoRev?: any
+  @defineAttribute('bldLvl') declare bldLvl?: any
+  @defineAttribute('decel') declare decel?: any
+  @defineAttribute('display') declare display?: any
+  @defineAttribute('dur') declare dur?: any
+  @defineAttribute('evtFilter') declare evtFilter?: any
+  @defineAttribute('fill') declare fill?: any
+  @defineAttribute('grpId') declare grpId?: any
+  @defineAttribute('id') declare id?: any
+  @defineAttribute('masterRel') declare masterRel?: any
+  @defineAttribute('nodePh') declare nodePh?: any
+  @defineAttribute('nodeType') declare nodeType?: string
+  @defineAttribute('presetClass') declare presetClass?: any
+  @defineAttribute('presetID') declare presetID?: any
+  @defineAttribute('presetSubtype') declare presetSubtype?: any
+  @defineAttribute('repeatCount') declare repeatCount?: any
+  @defineAttribute('repeatDur') declare repeatDur?: any
+  @defineAttribute('restart') declare restart?: any
+  @defineAttribute('spd') declare spd?: any
+  @defineAttribute('syncBehavior') declare syncBehavior?: any
+  @defineAttribute('tmFilter') declare tmFilter?: any
+
+  @defineChild('p:childTnLst') declare childTnLst?: ChildTimeNodeList
+  @defineChild('p:endCondLst') declare endCondLst?: OOXML
+  @defineChild('p:endSync') declare endSync?: OOXML
+  @defineChild('p:iterate') declare iterate?: OOXML
+  @defineChild('p:stCondLst') declare stCondLst?: OOXML
+  @defineChild('p:subTnLst') declare subTnLst?: OOXML
+}
diff --git a/src/OpenXml/Presentation/ParallelTimeNode.ts b/src/OpenXml/Presentation/ParallelTimeNode.ts
new file mode 100644
index 0000000..fee2d16
--- /dev/null
+++ b/src/OpenXml/Presentation/ParallelTimeNode.ts
@@ -0,0 +1,10 @@
+import type { CommonTimeNode } from './CommonTimeNode'
+import { defineChild, defineElement, OOXML } from '../../core'
+
+/**
+ * https://learn.microsoft.com/dotnet/api/documentformat.openxml.presentation.paralleltimenode
+ */
+@defineElement('p:par')
+export class ParallelTimeNode extends OOXML {
+  @defineChild('p:cTn') declare cTn?: CommonTimeNode
+}
diff --git a/src/OpenXml/Presentation/SequenceTimeNode.ts b/src/OpenXml/Presentation/SequenceTimeNode.ts
new file mode 100644
index 0000000..e222931
--- /dev/null
+++ b/src/OpenXml/Presentation/SequenceTimeNode.ts
@@ -0,0 +1,16 @@
+import type { CommonTimeNode } from './CommonTimeNode'
+import { defineAttribute, defineChild, defineElement, OOXML } from '../../core'
+
+/**
+ * https://learn.microsoft.com/dotnet/api/documentformat.openxml.presentation.sequencetimenode
+ */
+@defineElement('p:seq')
+export class SequenceTimeNode extends OOXML {
+  @defineAttribute('concurrent') declare concurrent?: any
+  @defineAttribute('nextAc') declare nextAc?: any
+  @defineAttribute('prevAc') declare prevAc?: any
+
+  @defineChild('p:cTn') declare cTn?: CommonTimeNode
+  @defineChild('p:nextCondLst') declare nextCondLst?: OOXML
+  @defineChild('p:prevCondLst') declare prevCondLst?: OOXML
+}
diff --git a/src/OpenXml/Presentation/TimeNodeList.ts b/src/OpenXml/Presentation/TimeNodeList.ts
new file mode 100644
index 0000000..ebb85c7
--- /dev/null
+++ b/src/OpenXml/Presentation/TimeNodeList.ts
@@ -0,0 +1,22 @@
+import type { ParallelTimeNode } from './ParallelTimeNode'
+import { defineChild, defineElement, OOXML } from '../../core'
+
+/**
+ * https://learn.microsoft.com/dotnet/api/documentformat.openxml.presentation.timenodelist
+ */
+@defineElement('p:tnLst')
+export class TimeNodeList extends OOXML {
+  @defineChild('p:anim') declare anim?: OOXML
+  @defineChild('p:animClr') declare animClr?: OOXML
+  @defineChild('p:animEffect') declare animEffect?: OOXML
+  @defineChild('p:animMotion') declare animMotion?: OOXML
+  @defineChild('p:animRot') declare animRot?: OOXML
+  @defineChild('p:animScale') declare animScale?: OOXML
+  @defineChild('p:audio') declare audio?: OOXML
+  @defineChild('p:cmd') declare cmd?: OOXML
+  @defineChild('p:excl') declare excl?: OOXML
+  @defineChild('p:par') declare par?: ParallelTimeNode
+  @defineChild('p:seq') declare seq?: OOXML
+  @defineChild('p:set') declare set?: OOXML
+  @defineChild('p:video') declare video?: OOXML
+}
diff --git a/src/OpenXml/Presentation/Timing.ts b/src/OpenXml/Presentation/Timing.ts
index f495eba..04736d5 100644
--- a/src/OpenXml/Presentation/Timing.ts
+++ b/src/OpenXml/Presentation/Timing.ts
@@ -1,9 +1,14 @@
-import { defineElement, OOXML } from '../../core'
+import type { BuildList } from './BuildList'
+import type { ExtensionList } from './ExtensionList'
+import type { TimeNodeList } from './TimeNodeList'
+import { defineChild, defineElement, OOXML } from '../../core'
 
 /**
  * https://learn.microsoft.com/dotnet/api/documentformat.openxml.presentation.timing
  */
 @defineElement('p:timing')
 export class Timing extends OOXML {
-  // TODO
+  @defineChild('p:bldLst') declare bldLst?: BuildList
+  @defineChild('p:extLst') declare extLst?: ExtensionList
+  @defineChild('p:tnLst') declare tnLst?: TimeNodeList
 }
diff --git a/src/OpenXml/Presentation/index.ts b/src/OpenXml/Presentation/index.ts
index 3403c22..415a586 100644
--- a/src/OpenXml/Presentation/index.ts
+++ b/src/OpenXml/Presentation/index.ts
@@ -9,10 +9,13 @@ export * from './BlipFill'
 export * from './BodyStyle'
 export * from './BoldFont'
 export * from './BoldItalicFont'
+export * from './BuildList'
+export * from './ChildTimeNodeList'
 export * from './ColorMap'
 export * from './ColorMapOverride'
 export * from './ColorMostRecentlyUsed'
 export * from './CommonSlideData'
+export * from './CommonTimeNode'
 export * from './ConnectionShape'
 export * from './DefaultTextStyle'
 export * from './EmbeddedFont'
@@ -37,12 +40,14 @@ export * from './NotesMasterId'
 export * from './NotesMasterIdList'
 export * from './NotesSize'
 export * from './OtherStyle'
+export * from './ParallelTimeNode'
 export * from './Picture'
 export * from './PlaceholderShape'
 export * from './Presentation'
 export * from './PresentationProperties'
 export * from './PrintingProperties'
 export * from './RegularFont'
+export * from './SequenceTimeNode'
 export * from './Shape'
 export * from './ShapeProperties'
 export * from './ShapeTree'
@@ -59,6 +64,7 @@ export * from './SlideMasterIdList'
 export * from './SlideSize'
 export * from './TextBody'
 export * from './TextStyles'
+export * from './TimeNodeList'
 export * from './Timing'
 export * from './TitleStyle'
 export * from './ViewProperties'