Compact Magnetic Stirrer
This is the stirrer we use now. Its lasted for 5 years and its still going strong. Perfect for up to a liter of Liquid Culture. You really don't need anymore than that. At the price its a steal.

Compact Size Magnetic Stirrers to fit where other magnetic stirrers will not, lack of laboratory bench space is no longer a concern.. These stirrers incorporate electronic controls that allow the user to regulate the speed with greater precision.
    * Chemical Resistance - The ABS housing resists most harmful chemicals in the lab. This means accidental spills will not destroy the equipment
    * Internal Speedsafetm mechanism will ensure that the maximum speed is never exceeded.
    * Maximum Stir Capacity: 0.26 Gallons (1 Liter)
    * Speed Range: Min. 100 rpm; Max. 1000 rpm
    * Dimensions: 4.8 x 4.8 x 1.8"
    * Supplied complete with micro stir bar and instructions.