Test 4 Time device aims to help kids learn math

Posted at 5:45 PM, Jan 27, 2015
and last updated 2015-01-27 17:45:42-05

GRAND RAPIDS, Mich. -- FOX 17 talks with Tim Smock about his Test 4 Time device, a math education tool for children that rewards them with a minute of TV time for each correct answer.