diff --git a/tests/bowling.lua b/tests/bowling.lua
index 4f3f3dd..e134bc2 100644
--- a/tests/bowling.lua
+++ b/tests/bowling.lua
@@ -41,6 +41,17 @@ function mousebutton_down_event(button)
     end
 end
 
+function key_down_event(key)
+    if (key == "s") then
+        local s = ag.createSphere(0.5)
+        s:setPosition(0, 0, 5)
+        s:setColor(0.1, 0.2, 0.3)
+    elseif (key == "c") then
+        local c = ag.loadModel("crate")
+        c:setPosition(-3, -3, 5)
+    end
+end
+
 --function update_overlay_event(width, height)
 --    local tw, th = ag.getTextSize("Hi there", 18)
 --    ag.drawText("Hi there", 1, 1, 1, 18, width - tw - 4, height - th - 4)