diff --git a/README.md b/README.md
index 67d8487..135fd57 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ npm install
 npm start
 ```
 
-Follow [Official Tutorial](https://developer.chrome.com/extensions/getstarted), when loading unpacked extension, choose the `brick-next-devtools/extension` directory.
+Follow [official tutorial](https://developer.chrome.com/extensions/getstarted), when loading unpacked extension, choose the `brick-next-devtools/extension` directory.
 
 ## Testing
 
@@ -32,7 +32,7 @@ npm test src/some-file.spec.ts -- --watch
 To test a specified file and collect coverage from related files only:
 
 ```
-npm test src/some-file.spec.ts -- no-collect-coverage-from
+npm test src/some-file.spec.ts -- --no-collect-coverage-from
 ```
 
 ## Publish
diff --git a/src/components/BricksPanel.tsx b/src/components/BricksPanel.tsx
new file mode 100644
index 0000000..b496389
--- /dev/null
+++ b/src/components/BricksPanel.tsx
@@ -0,0 +1,49 @@
+import React from "react";
+import { TreeWrapper } from "./TreeWrapper";
+import { SelectedBrickWrapper } from "./SelectedBrickWrapper";
+import { BrickTreeContext } from "../libs/BrickTreeContext";
+import { BrickData, BricksByMountPoint } from "../libs/interfaces";
+import { SelectedBrickContext } from "../libs/SelectedBrickContext";
+import { CollapsedBrickIdsContext } from "../libs/CollapsedBrickIdsContext";
+import { ShowFullNameContext } from "../libs/ShowFullNameContext";
+
+export function BricksPanel(): React.ReactElement {
+  const [tree, setTree] = React.useState<BricksByMountPoint>();
+  const [collapsedBrickIds, setCollapsedBrickIds] = React.useState<number[]>(
+    []
+  );
+  const [showFullName, setShowFullName] = React.useState<boolean>(false);
+  const [selectedBrick, setSelectedBrick] = React.useState<BrickData>();
+
+  return (
+    <div className="panel bricks-panel">
+      <SelectedBrickContext.Provider
+        value={{
+          selectedBrick,
+          setSelectedBrick,
+        }}
+      >
+        <BrickTreeContext.Provider
+          value={{
+            tree,
+            setTree,
+          }}
+        >
+          <CollapsedBrickIdsContext.Provider
+            value={{
+              collapsedBrickIds,
+              setCollapsedBrickIds,
+            }}
+          >
+            <ShowFullNameContext.Provider
+              value={{ showFullName, setShowFullName }}
+            >
+              <TreeWrapper />
+            </ShowFullNameContext.Provider>
+          </CollapsedBrickIdsContext.Provider>
+        </BrickTreeContext.Provider>
+        <SelectedBrickWrapper />
+      </SelectedBrickContext.Provider>
+    </div>
+  );
+}
diff --git a/src/components/EvaluationsPanel.tsx b/src/components/EvaluationsPanel.tsx
new file mode 100644
index 0000000..9f232c4
--- /dev/null
+++ b/src/components/EvaluationsPanel.tsx
@@ -0,0 +1,69 @@
+import React from "react";
+import { PanelSelector } from "./PanelSelector";
+import { PropTree, StandaloneValue } from "./PropTree";
+
+export function EvaluationsPanel(): React.ReactElement {
+  return (
+    <div className="panel evaluations-panel">
+      <div className="evaluations-toolbar">
+        <PanelSelector />
+      </div>
+      <div className="table-view">
+        <table className="bp3-html-table bp3-html-table-bordered bp3-html-table-condensed">
+          <thead>
+            <tr>
+              <th>Expression</th>
+              <th>Context</th>
+              <th>Result</th>
+            </tr>
+          </thead>
+          <tbody className="source-code">
+            <tr>
+              <td>
+                <StandaloneValue value="<% EVENT.detail %>" />
+                {/* <span className="prop-value-punctuation">{'"'}</span>
+                <span className="prop-value-string">{'<% EVENT.detail %>'}</span>
+                <span className="prop-value-punctuation">{'"'}</span> */}
+              </td>
+              <td>
+                <PropTree
+                  properties={{
+                    EVENT: {
+                      type: "oops",
+                      detail: "good",
+                    },
+                  }}
+                />
+              </td>
+              <td>
+                <StandaloneValue value="good" />
+              </td>
+            </tr>
+            <tr>
+              <td>
+                <StandaloneValue value="<% DATA.map(item => item.id) %>" />
+              </td>
+              <td>
+                <PropTree
+                  properties={{
+                    DATA: [
+                      {
+                        id: 1,
+                      },
+                      {
+                        id: 2,
+                      },
+                    ],
+                  }}
+                />
+              </td>
+              <td>
+                <StandaloneValue value={[1, 2]} />
+              </td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+    </div>
+  );
+}
diff --git a/src/components/Layout.tsx b/src/components/Layout.tsx
index a8d6479..0e3e472 100644
--- a/src/components/Layout.tsx
+++ b/src/components/Layout.tsx
@@ -1,21 +1,14 @@
 import React from "react";
 import classNames from "classnames";
-import { TreeWrapper } from "./TreeWrapper";
-import { SelectedBrickWrapper } from "./SelectedBrickWrapper";
-import { BrickTreeContext } from "../libs/BrickTreeContext";
-import { BrickData, BricksByMountPoint } from "../libs/interfaces";
-import { SelectedBrickContext } from "../libs/SelectedBrickContext";
 import { BrowserThemeContext } from "../libs/BrowserThemeContext";
-import { CollapsedBrickIdsContext } from "../libs/CollapsedBrickIdsContext";
-import { ShowFullNameContext } from "../libs/ShowFullNameContext";
+import { BricksPanel } from "./BricksPanel";
+import { SelectedPanelContext } from "../libs/SelectedPanelContext";
+import { EvaluationsPanel } from "./EvaluationsPanel";
+import { TransformationsPanel } from "./TransformationsPanel";
 
 export function Layout(): React.ReactElement {
-  const [tree, setTree] = React.useState<BricksByMountPoint>();
-  const [collapsedBrickIds, setCollapsedBrickIds] = React.useState<number[]>(
-    []
-  );
-  const [showFullName, setShowFullName] = React.useState<boolean>(false);
-  const [selectedBrick, setSelectedBrick] = React.useState<BrickData>();
+  const [selectedPanel, setSelectedPanel] = React.useState("Bricks");
+
   const theme = chrome.devtools.panels.themeName === "dark" ? "dark" : "light";
 
   return (
@@ -25,33 +18,17 @@ export function Layout(): React.ReactElement {
       })}
     >
       <BrowserThemeContext.Provider value={theme}>
-        <SelectedBrickContext.Provider
-          value={{
-            selectedBrick,
-            setSelectedBrick,
-          }}
+        <SelectedPanelContext.Provider
+          value={{ selectedPanel, setSelectedPanel }}
         >
-          <BrickTreeContext.Provider
-            value={{
-              tree,
-              setTree,
-            }}
-          >
-            <CollapsedBrickIdsContext.Provider
-              value={{
-                collapsedBrickIds,
-                setCollapsedBrickIds,
-              }}
-            >
-              <ShowFullNameContext.Provider
-                value={{ showFullName, setShowFullName }}
-              >
-                <TreeWrapper />
-              </ShowFullNameContext.Provider>
-            </CollapsedBrickIdsContext.Provider>
-          </BrickTreeContext.Provider>
-          <SelectedBrickWrapper />
-        </SelectedBrickContext.Provider>
+          {selectedPanel === "Evaluations" ? (
+            <EvaluationsPanel />
+          ) : selectedPanel === "Transformations" ? (
+            <TransformationsPanel />
+          ) : (
+            <BricksPanel />
+          )}
+        </SelectedPanelContext.Provider>
       </BrowserThemeContext.Provider>
     </div>
   );
diff --git a/src/components/PanelSelector.tsx b/src/components/PanelSelector.tsx
new file mode 100644
index 0000000..3eacdef
--- /dev/null
+++ b/src/components/PanelSelector.tsx
@@ -0,0 +1,24 @@
+import React from "react";
+import { HTMLSelect } from "@blueprintjs/core";
+import { useSelectedPanelContext } from "../libs/SelectedPanelContext";
+
+export function PanelSelector(): React.ReactElement {
+  const { selectedPanel, setSelectedPanel } = useSelectedPanelContext();
+
+  const handleChange = (event: React.ChangeEvent<HTMLSelectElement>): void => {
+    setSelectedPanel(event.target.value);
+  };
+
+  return (
+    <div>
+      {
+        <HTMLSelect
+          value={selectedPanel}
+          options={["Bricks", "Evaluations", "Transformations"]}
+          onChange={handleChange}
+          minimal
+        />
+      }
+    </div>
+  );
+}
diff --git a/src/components/PropTree.tsx b/src/components/PropTree.tsx
index 3033d36..b083395 100644
--- a/src/components/PropTree.tsx
+++ b/src/components/PropTree.tsx
@@ -64,6 +64,33 @@ export function PropItem({
   );
 }
 
+export function StandaloneValue({ value }: { value: any }): React.ReactElement {
+  const [expanded, setExpanded] = React.useState(false);
+
+  const handleClick = React.useCallback(() => {
+    setExpanded(!expanded);
+  }, [expanded]);
+
+  const hasChildren = isObject(value);
+
+  return (
+    <div className={classNames("prop-item", { expanded })}>
+      <div
+        className="bp3-text-overflow-ellipsis prop-item-label"
+        onClick={handleClick}
+      >
+        {hasChildren && (
+          <Icon icon={expanded ? "caret-down" : "caret-right"} iconSize={16} />
+        )}
+        <span className="prop-value">
+          <ValueStringify value={value} expanded={expanded} />
+        </span>
+      </div>
+      {isObject(value) && expanded && <PropTree properties={value} />}
+    </div>
+  );
+}
+
 interface ValueStringifyProps {
   value: any;
   expanded?: boolean;
diff --git a/src/components/TransformationsPanel.tsx b/src/components/TransformationsPanel.tsx
new file mode 100644
index 0000000..4dae1a7
--- /dev/null
+++ b/src/components/TransformationsPanel.tsx
@@ -0,0 +1,13 @@
+import React from "react";
+import { PanelSelector } from "./PanelSelector";
+
+export function TransformationsPanel(): React.ReactElement {
+  return (
+    <div className="panel transformations-panel">
+      <div className="transformations-toolbar">
+        <PanelSelector />
+      </div>
+      <div className="table-view">TransformationsPanel</div>
+    </div>
+  );
+}
diff --git a/src/components/TreeToolbar.tsx b/src/components/TreeToolbar.tsx
index d9ba500..063688e 100644
--- a/src/components/TreeToolbar.tsx
+++ b/src/components/TreeToolbar.tsx
@@ -6,6 +6,7 @@ import { useSelectedBrickContext } from "../libs/SelectedBrickContext";
 import { BricksByMountPoint } from "../libs/interfaces";
 import { useCollapsedBrickIdsContext } from "../libs/CollapsedBrickIdsContext";
 import { useShowFullNameContext } from "../libs/ShowFullNameContext";
+import { PanelSelector } from "./PanelSelector";
 
 export function TreeToolbar(): React.ReactElement {
   const { setTree } = useBrickTreeContext();
@@ -55,6 +56,7 @@ export function TreeToolbar(): React.ReactElement {
 
   return (
     <div className="tree-toolbar">
+      <PanelSelector />
       <ButtonGroup>
         <Tooltip content="Refresh bricks" hoverOpenDelay={300}>
           <Button icon="refresh" minimal onClick={handleRefresh} />
diff --git a/src/libs/SelectedPanelContext.ts b/src/libs/SelectedPanelContext.ts
new file mode 100644
index 0000000..75e9250
--- /dev/null
+++ b/src/libs/SelectedPanelContext.ts
@@ -0,0 +1,14 @@
+import React from "react";
+
+export interface ContextOfSelectedPanel {
+  selectedPanel?: string;
+  setSelectedPanel?: React.Dispatch<string>;
+}
+
+export const SelectedPanelContext = React.createContext<ContextOfSelectedPanel>(
+  {}
+);
+
+// istanbul ignore next
+export const useSelectedPanelContext = (): ContextOfSelectedPanel =>
+  React.useContext(SelectedPanelContext);
diff --git a/src/style.css b/src/style.css
index d5943f1..c81021b 100644
--- a/src/style.css
+++ b/src/style.css
@@ -1,5 +1,5 @@
 :root {
-  --pane-border-color: #ccc;
+  --pane-border-color: rgba(16, 22, 26, 0.15);
   --brick-label-color: rgb(136, 18, 128);
   --caret-color: #999;
   --source-code-color: rgb(33, 33, 33);
@@ -11,7 +11,7 @@
 }
 
 .bp3-dark {
-  --pane-border-color: #444;
+  --pane-border-color: rgba(255, 255, 255, 0.15);
   --brick-label-color: rgb(93, 176, 215);
   --caret-color: #727272;
   --source-code-name: rgb(227, 110, 236);
@@ -40,6 +40,11 @@ body {
 .layout {
   width: 100%;
   height: 100%;
+}
+
+.panel {
+  width: 100%;
+  height: 100%;
   display: flex;
 }
 
@@ -47,6 +52,11 @@ body {
   box-sizing: border-box;
 }
 
+.evaluations-panel,
+.transformations-panel {
+  flex-direction: column;
+}
+
 .tree-wrapper,
 .selected-brick-wrapper {
   display: flex;
@@ -58,6 +68,8 @@ body {
   border-left: 1px solid var(--pane-border-color);
 }
 
+.evaluations-toolbar,
+.transformations-toolbar,
 .tree-toolbar,
 .selected-brick-toolbar {
   padding: 10px;
@@ -75,7 +87,8 @@ body {
 }
 
 .brick-tree,
-.prop-view {
+.prop-view,
+.table-view {
   flex: 1 0 auto;
   overflow: hidden;
   height: calc(100vh - 50px);
@@ -158,3 +171,18 @@ body {
 .prop-value-array-length {
   color: var(--source-code-gray);
 }
+
+.table-view .bp3-html-table {
+  width: 100%;
+  table-layout: fixed;
+  font-size: 12px;
+}
+
+.table-view .bp3-html-table,
+.bp3-dark .table-view .bp3-html-table {
+  border-bottom: 1px solid var(--pane-border-color);
+}
+
+.table-view td > .prop-tree {
+  padding-left: 0;
+}