diff --git a/level/component/blockentitydata.go b/level/component/blockentitydata.go
new file mode 100644
index 00000000..f93cc2b9
--- /dev/null
+++ b/level/component/blockentitydata.go
@@ -0,0 +1,29 @@
+package component
+
+import (
+	"io"
+
+	"github.com/Tnze/go-mc/nbt/dynbt"
+	pk "github.com/Tnze/go-mc/net/packet"
+)
+
+var _ DataComponent = (*BlockEntityData)(nil)
+
+type BlockEntityData struct {
+	dynbt.Value
+}
+
+// ID implements DataComponent.
+func (BlockEntityData) ID() string {
+	return "minecraft:block_entity_data"
+}
+
+// ReadFrom implements DataComponent.
+func (b *BlockEntityData) ReadFrom(r io.Reader) (n int64, err error) {
+	return pk.NBT(&b.Value).ReadFrom(r)
+}
+
+// WriteTo implements DataComponent.
+func (b *BlockEntityData) WriteTo(w io.Writer) (n int64, err error) {
+	return pk.NBT(&b.Value).WriteTo(w)
+}
diff --git a/level/component/bucketentitydata.go b/level/component/bucketentitydata.go
new file mode 100644
index 00000000..8cd43dfb
--- /dev/null
+++ b/level/component/bucketentitydata.go
@@ -0,0 +1,29 @@
+package component
+
+import (
+	"io"
+
+	"github.com/Tnze/go-mc/nbt/dynbt"
+	pk "github.com/Tnze/go-mc/net/packet"
+)
+
+var _ DataComponent = (*BucketEntityData)(nil)
+
+type BucketEntityData struct {
+	dynbt.Value
+}
+
+// ID implements DataComponent.
+func (BucketEntityData) ID() string {
+	return "minecraft:bucket_entity_data"
+}
+
+// ReadFrom implements DataComponent.
+func (b *BucketEntityData) ReadFrom(r io.Reader) (n int64, err error) {
+	return pk.NBT(&b.Value).ReadFrom(r)
+}
+
+// WriteTo implements DataComponent.
+func (b *BucketEntityData) WriteTo(w io.Writer) (n int64, err error) {
+	return pk.NBT(&b.Value).WriteTo(w)
+}
diff --git a/level/component/bundlecontents.go b/level/component/bundlecontents.go
new file mode 100644
index 00000000..95742e84
--- /dev/null
+++ b/level/component/bundlecontents.go
@@ -0,0 +1,24 @@
+package component
+
+import "io"
+
+var _ DataComponent = (*BundleContents)(nil)
+
+type BundleContents struct {
+	// TODO
+}
+
+// ID implements DataComponent.
+func (BundleContents) ID() string {
+	return "minecraft:bundle_contents"
+}
+
+// ReadFrom implements DataComponent.
+func (b *BundleContents) ReadFrom(r io.Reader) (n int64, err error) {
+	panic("unimplemented")
+}
+
+// WriteTo implements DataComponent.
+func (b *BundleContents) WriteTo(w io.Writer) (n int64, err error) {
+	panic("unimplemented")
+}
diff --git a/level/component/chargedprojectiles.go b/level/component/chargedprojectiles.go
new file mode 100644
index 00000000..b6802790
--- /dev/null
+++ b/level/component/chargedprojectiles.go
@@ -0,0 +1,24 @@
+package component
+
+import "io"
+
+var _ DataComponent = (*ChargedProjectiles)(nil)
+
+type ChargedProjectiles struct {
+	// TODO
+}
+
+// ID implements DataComponent.
+func (ChargedProjectiles) ID() string {
+	return "minecraft:charged_projectiles"
+}
+
+// ReadFrom implements DataComponent.
+func (c *ChargedProjectiles) ReadFrom(r io.Reader) (n int64, err error) {
+	panic("unimplemented")
+}
+
+// WriteTo implements DataComponent.
+func (c *ChargedProjectiles) WriteTo(w io.Writer) (n int64, err error) {
+	panic("unimplemented")
+}
diff --git a/level/component/debugstickstate.go b/level/component/debugstickstate.go
new file mode 100644
index 00000000..d716a731
--- /dev/null
+++ b/level/component/debugstickstate.go
@@ -0,0 +1,29 @@
+package component
+
+import (
+	"io"
+
+	"github.com/Tnze/go-mc/level/block"
+	pk "github.com/Tnze/go-mc/net/packet"
+)
+
+var _ DataComponent = (*DebugStickState)(nil)
+
+type DebugStickState struct {
+	Data block.State
+}
+
+// ID implements DataComponent.
+func (DebugStickState) ID() string {
+	return "minecraft:debug_stick_state"
+}
+
+// ReadFrom implements DataComponent.
+func (d *DebugStickState) ReadFrom(r io.Reader) (n int64, err error) {
+	return pk.NBT(&d.Data).ReadFrom(r)
+}
+
+// WriteTo implements DataComponent.
+func (d *DebugStickState) WriteTo(w io.Writer) (n int64, err error) {
+	return pk.NBT(&d.Data).WriteTo(w)
+}
diff --git a/level/component/entitydata.go b/level/component/entitydata.go
new file mode 100644
index 00000000..9250a164
--- /dev/null
+++ b/level/component/entitydata.go
@@ -0,0 +1,29 @@
+package component
+
+import (
+	"io"
+
+	"github.com/Tnze/go-mc/nbt/dynbt"
+	pk "github.com/Tnze/go-mc/net/packet"
+)
+
+var _ DataComponent = (*EntityData)(nil)
+
+type EntityData struct {
+	dynbt.Value
+}
+
+// ID implements DataComponent.
+func (EntityData) ID() string {
+	return "minecraft:entity_data"
+}
+
+// ReadFrom implements DataComponent.
+func (e *EntityData) ReadFrom(r io.Reader) (n int64, err error) {
+	return pk.NBT(&e.Value).ReadFrom(r)
+}
+
+// WriteTo implements DataComponent.
+func (e *EntityData) WriteTo(w io.Writer) (n int64, err error) {
+	return pk.NBT(&e.Value).WriteTo(w)
+}
diff --git a/level/component/instrument.go b/level/component/instrument.go
new file mode 100644
index 00000000..ddd68d2d
--- /dev/null
+++ b/level/component/instrument.go
@@ -0,0 +1,85 @@
+package component
+
+import (
+	"io"
+
+	pk "github.com/Tnze/go-mc/net/packet"
+)
+
+var _ DataComponent = (*Instrument)(nil)
+
+// TODO
+type Instrument struct {
+	Type        pk.VarInt
+	SoundEvent  SoundEvent
+	UseDuration pk.Float
+	Range       pk.Float
+}
+
+// ID implements DataComponent.
+func (Instrument) ID() string {
+	return "minecraft:instrument"
+}
+
+// ReadFrom implements DataComponent.
+func (i *Instrument) ReadFrom(r io.Reader) (n int64, err error) {
+	return pk.Tuple{
+		&i.Type,
+		pk.Opt{
+			Has: func() bool { return i.Type == 0 },
+			Field: pk.Tuple{
+				&i.SoundEvent,
+				&i.UseDuration,
+				&i.Range,
+			},
+		},
+	}.ReadFrom(r)
+}
+
+// WriteTo implements DataComponent.
+func (i *Instrument) WriteTo(w io.Writer) (n int64, err error) {
+	return pk.Tuple{
+		&i.Type,
+		pk.Opt{
+			Has: func() bool { return i.Type == 0 },
+			Field: pk.Tuple{
+				&i.SoundEvent,
+				&i.UseDuration,
+				&i.Range,
+			},
+		},
+	}.WriteTo(w)
+}
+
+// TODO
+type SoundEvent struct {
+	Type       pk.VarInt
+	SoundName  pk.Identifier
+	FixedRange pk.Option[pk.Float, *pk.Float]
+}
+
+func (s *SoundEvent) ReadFrom(r io.Reader) (int64, error) {
+	return pk.Tuple{
+		&s.Type,
+		pk.Opt{
+			Has: func() bool { return s.Type == 0 },
+			Field: pk.Tuple{
+				&s.SoundName,
+				&s.FixedRange,
+			},
+		},
+	}.ReadFrom(r)
+}
+
+func (s SoundEvent) WriteTo(w io.Writer) (int64, error) {
+	return pk.Tuple{
+		&s.Type,
+		pk.Opt{
+			Has: func() bool { return s.Type == 0 },
+			Field: pk.Tuple{
+				&s.SoundName,
+				&s.FixedRange,
+			},
+		},
+	}.WriteTo(w)
+}
diff --git a/level/component/mappostprogressing.go b/level/component/mappostprogressing.go
new file mode 100644
index 00000000..1df19346
--- /dev/null
+++ b/level/component/mappostprogressing.go
@@ -0,0 +1,31 @@
+package component
+
+import (
+	"io"
+
+	pk "github.com/Tnze/go-mc/net/packet"
+)
+
+var _ DataComponent = (*MapPostProcessing)(nil)
+
+type MapPostProcessing int32
+
+const (
+	Lock MapPostProcessing = iota
+	Scale
+)
+
+// ID implements DataComponent.
+func (MapPostProcessing) ID() string {
+	return "minecraft:map_post_processing"
+}
+
+// ReadFrom implements DataComponent.
+func (m *MapPostProcessing) ReadFrom(r io.Reader) (n int64, err error) {
+	return (*pk.VarInt)(m).ReadFrom(r)
+}
+
+// WriteTo implements DataComponent.
+func (m *MapPostProcessing) WriteTo(w io.Writer) (n int64, err error) {
+	return (*pk.VarInt)(m).WriteTo(w)
+}
diff --git a/level/component/potioncontents.go b/level/component/potioncontents.go
new file mode 100644
index 00000000..5cb97e24
--- /dev/null
+++ b/level/component/potioncontents.go
@@ -0,0 +1,30 @@
+package component
+
+import (
+	"io"
+
+	pk "github.com/Tnze/go-mc/net/packet"
+)
+
+var _ DataComponent = (*PotionContents)(nil)
+
+type PotionContents struct {
+	PotionID    pk.Option[pk.VarInt, *pk.VarInt]
+	CustomColor pk.Option[pk.Int, *pk.Int]
+	PotionEffects []any
+}
+
+// ID implements DataComponent.
+func (PotionContents) ID() string {
+	return "minecraft:potion_contents"
+}
+
+// ReadFrom implements DataComponent.
+func (p *PotionContents) ReadFrom(r io.Reader) (n int64, err error) {
+	panic("unimplemented")
+}
+
+// WriteTo implements DataComponent.
+func (p *PotionContents) WriteTo(w io.Writer) (n int64, err error) {
+	panic("unimplemented")
+}
diff --git a/level/component/suspicioussteweffects.go b/level/component/suspicioussteweffects.go
new file mode 100644
index 00000000..e7b54fca
--- /dev/null
+++ b/level/component/suspicioussteweffects.go
@@ -0,0 +1,26 @@
+package component
+
+import (
+	"io"
+)
+
+var _ DataComponent = (*SuspiciousStewEffects)(nil)
+
+type SuspiciousStewEffects struct {
+	Effects []any
+}
+
+// ID implements DataComponent.
+func (SuspiciousStewEffects) ID() string {
+	return "minecraft:suspicious_stew_effects"
+}
+
+// ReadFrom implements DataComponent.
+func (s *SuspiciousStewEffects) ReadFrom(r io.Reader) (n int64, err error) {
+	panic("unimplemented")
+}
+
+// WriteTo implements DataComponent.
+func (s *SuspiciousStewEffects) WriteTo(w io.Writer) (n int64, err error) {
+	panic("unimplemented")
+}
diff --git a/level/component/trim.go b/level/component/trim.go
new file mode 100644
index 00000000..0540bf1d
--- /dev/null
+++ b/level/component/trim.go
@@ -0,0 +1,24 @@
+package component
+
+import "io"
+
+var _ DataComponent = (*Trim)(nil)
+
+type Trim struct {
+	
+}
+
+// ID implements DataComponent.
+func (Trim) ID() string {
+	return "minecraft:trim"
+}
+
+// ReadFrom implements DataComponent.
+func (t *Trim) ReadFrom(r io.Reader) (n int64, err error) {
+	panic("unimplemented")
+}
+
+// WriteTo implements DataComponent.
+func (t *Trim) WriteTo(w io.Writer) (n int64, err error) {
+	panic("unimplemented")
+}
diff --git a/level/component/writablebookcontent.go b/level/component/writablebookcontent.go
new file mode 100644
index 00000000..0e7619b5
--- /dev/null
+++ b/level/component/writablebookcontent.go
@@ -0,0 +1,33 @@
+package component
+
+import (
+	"io"
+
+	pk "github.com/Tnze/go-mc/net/packet"
+)
+
+var _ DataComponent = (*WritableBookContent)(nil)
+
+type WritableBookContent struct {
+	Pages []Page
+}
+
+// ID implements DataComponent.
+func (w *WritableBookContent) ID() string {
+	return "minecraft:writable_book_content"
+}
+
+// ReadFrom implements DataComponent.
+func (w *WritableBookContent) ReadFrom(reader io.Reader) (n int64, err error) {
+	return pk.Array(&w.Pages).ReadFrom(reader)
+}
+
+// WriteTo implements DataComponent.
+func (w *WritableBookContent) WriteTo(writer io.Writer) (n int64, err error) {
+	return pk.Array(&w.Pages).WriteTo(writer)
+}
+
+type Page struct {
+	Raw      pk.String
+	Filtered pk.Option[pk.String, *pk.String]
+}