Instructions to make it:http://www.instructables.com/id/Homemade-Switch-Activated-Pouring-Measuring-Cup-In/

Made from:
$10 Disco ball motor
$7 Gooseneck
$2 Measuring cup
$2 Velcro
$0.65 1/2 inch PVC pipe connector
$2.50 Copper and wire to make battery interrupter
Total cost: ~$24.15

Various parts from around the house:
-Bolts
-Clamp salvaged from desk lamp
-Small piece of wood to connect disco motor to measuring cup
-Craft glue Less