Walmart offers the AcuRite Galileo Thermometer with Glass Globe Barometer
, model no. 00749WB, for $11.88
. Opt for in-store pickup
to avoid the $4.97 shipping charge. That's tied with last week's mention and $21 less than the best price we could find for a similar model. This devices uses enclosed balls of colored liquid that expand and contract with heat to measure temperature.