diff --git a/src/application.cpp b/src/application.cpp
index 904d071..130134e 100644
--- a/src/application.cpp
+++ b/src/application.cpp
@@ -1,14 +1,21 @@
 #include "application.h"
-#include "ceramic/style.h"
-#include "ceramic/elements.h"
+#include "dice_gui.h"
+#include <ceramic/style.h>
+#include <ceramic/elements.h>
 #include <SDL3/SDL.h>
 #include <clay/clay.h>
 
+constexpr Clay_LayoutConfig centerContainer {
+	.sizing = {CLAY_SIZING_GROW(), CLAY_SIZING_GROW()},
+	.childAlignment = {CLAY_ALIGN_X_CENTER, CLAY_ALIGN_Y_CENTER},
+};
+
 namespace application {
 Clay_RenderCommandArray RenderApplication() {
 	Clay_BeginLayout();
-	CLAY(CLAY_ID("OuterContainer"), cera::Window()) {
-		CLAY_AUTO_ID(cera::LeftPanelContainer()) {
+	CLAY(CLAY_ID("Window"), cera::Window()) {
+		CLAY(CLAY_ID("Content"), {.layout = centerContainer}) {
+			DiceContainer();
 		}
 	}
 	return Clay_EndLayout();
diff --git a/src/dice_data.cpp b/src/dice_data.cpp
new file mode 100644
index 0000000..6187ad8
--- /dev/null
+++ b/src/dice_data.cpp
@@ -0,0 +1,36 @@
+#include "dice_data.h"
+#include <cstddef>
+#include <cstring>
+
+namespace active_dice {
+constexpr size_t maxActiveDice{16};
+Die activeDice[maxActiveDice];
+size_t numActiveDice{0};
+
+void Add(Die die) {
+	if(numActiveDice < maxActiveDice) {
+		activeDice[numActiveDice] = die;
+		++numActiveDice;
+	}
+}
+
+void Remove(size_t at) {
+	if(at >= numActiveDice) {
+		return;
+	}
+	if(at < numActiveDice - 1) {
+		std::memmove(activeDice + at, activeDice + at + 1, numActiveDice - at);
+	}
+	--numActiveDice;
+}
+
+Die Get(size_t at) {
+	if(at < numActiveDice) {
+		return activeDice[at];
+	} else return D_COIN;
+}
+
+size_t Count() {
+	return numActiveDice;
+}
+}
diff --git a/src/dice_data.h b/src/dice_data.h
new file mode 100644
index 0000000..32d800b
--- /dev/null
+++ b/src/dice_data.h
@@ -0,0 +1,46 @@
+#pragma once
+
+#include <cstddef>
+
+enum Die {
+	D_COIN = 2,
+	D4 = 4,
+	D6 = 6,
+	D8 = 8,
+	D10 = 10,
+	D12 = 12,
+	D20 = 20,
+	D100 = 100,
+};
+
+constexpr Die diceIndex[]{D_COIN, D4, D6, D8, D10, D12, D20, D100};
+
+static inline size_t DieToIndex(Die die) {
+	switch(die) {
+		default:
+		case D_COIN:
+			return 0;
+		case D4:
+			return 1;
+		case D6:
+			return 2;
+		case D8:
+			return 3;
+		case D10:
+			return 4;
+		case D12:
+			return 5;
+		case D20:
+			return 6;
+		case D100:
+			return 7;
+	}
+
+}
+
+namespace active_dice {
+void Add(Die die);
+void Remove(size_t at);
+Die Get(size_t at);
+size_t Count();
+} // namespace active_dice
diff --git a/src/dice_gui.cpp b/src/dice_gui.cpp
new file mode 100644
index 0000000..72ea5ce
--- /dev/null
+++ b/src/dice_gui.cpp
@@ -0,0 +1,44 @@
+#include "dice_gui.h"
+#include "dice_data.h"
+#include <ceramic/elements.h>
+#include <ceramic/resources.h>
+#include <clay/clay.h>
+
+extern SDL_Renderer *renderer;
+
+SDL_Texture *dieImages[8];
+
+static void LoadDieImagesIfNeeded() {
+	static bool diceImagesLoaded{false};
+	if(!diceImagesLoaded) {
+		diceImagesLoaded = true;
+		dieImages[0] = cera::LoadAndStoreTexture(renderer, "assets/icons/d2.svg");
+		dieImages[1] = cera::LoadAndStoreTexture(renderer, "assets/icons/d4.svg");
+		dieImages[2] = cera::LoadAndStoreTexture(renderer, "assets/icons/d6.svg");
+		dieImages[3] = cera::LoadAndStoreTexture(renderer, "assets/icons/d8.svg");
+		dieImages[4] = cera::LoadAndStoreTexture(renderer, "assets/icons/d10.svg");
+		dieImages[5] = cera::LoadAndStoreTexture(renderer, "assets/icons/d12.svg");
+		dieImages[6] = cera::LoadAndStoreTexture(renderer, "assets/icons/d20.svg");
+		dieImages[7] = cera::LoadAndStoreTexture(renderer, "assets/icons/d100.svg");
+	}
+}
+
+static void OnDieButtonHovered(Clay_ElementId element, Clay_PointerData pointer, intptr_t data) {
+	if(pointer.state == CLAY_POINTER_DATA_PRESSED_THIS_FRAME) {
+		active_dice::Add((Die)data);
+	}
+}
+
+void DiceContainer() {
+	LoadDieImagesIfNeeded();
+	CLAY(CLAY_ID("DiceSelector"), {}) {
+		cera::ImageTextButton(dieImages[0], CLAY_STRING("C"), {CLAY_SIZING_FIXED(100), CLAY_SIZING_FIXED(100)}, &OnDieButtonHovered, (intptr_t)D_COIN);
+		cera::ImageTextButton(dieImages[1], CLAY_STRING("4"), {CLAY_SIZING_FIXED(100), CLAY_SIZING_FIXED(100)}, &OnDieButtonHovered, (intptr_t)D4);
+		cera::ImageTextButton(dieImages[2], CLAY_STRING("6"), {CLAY_SIZING_FIXED(100), CLAY_SIZING_FIXED(100)}, &OnDieButtonHovered, (intptr_t)D6);
+		cera::ImageTextButton(dieImages[3], CLAY_STRING("8"), {CLAY_SIZING_FIXED(100), CLAY_SIZING_FIXED(100)}, &OnDieButtonHovered, (intptr_t)D8);
+		cera::ImageTextButton(dieImages[4], CLAY_STRING("10"), {CLAY_SIZING_FIXED(100), CLAY_SIZING_FIXED(100)}, &OnDieButtonHovered, (intptr_t)D10);
+		cera::ImageTextButton(dieImages[5], CLAY_STRING("12"), {CLAY_SIZING_FIXED(100), CLAY_SIZING_FIXED(100)}, &OnDieButtonHovered, (intptr_t)D12);
+		cera::ImageTextButton(dieImages[6], CLAY_STRING("20"), {CLAY_SIZING_FIXED(100), CLAY_SIZING_FIXED(100)}, &OnDieButtonHovered, (intptr_t)D20);
+		cera::ImageTextButton(dieImages[7], CLAY_STRING("100"), {CLAY_SIZING_FIXED(100), CLAY_SIZING_FIXED(100)}, &OnDieButtonHovered, (intptr_t)D100);
+	}
+}
diff --git a/src/dice_gui.h b/src/dice_gui.h
new file mode 100644
index 0000000..bc0513c
--- /dev/null
+++ b/src/dice_gui.h
@@ -0,0 +1,3 @@
+#pragma once
+
+void DiceContainer();
diff --git a/src/main.cpp b/src/main.cpp
index 06413e3..2a1c4fb 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -137,6 +137,7 @@ int main(int argc, char *argv[]) {
 		SDL_RenderPresent(renderer);
 		SDL_Delay(10);
 	}
+	cera::CleanupResources();
 	SDL_DestroyRenderer(renderer);
 	SDL_DestroyWindow(window);
 	SDL_Quit();