How much does this cost to the nearest dollar?

uxcell 30pcs Plastic Gears 20 Teeth Model 202A Reduction Gear Plastic Worm Gears for RC Car Robot Motor
Feature - 100% Brand new and.Good accessories for Vehicle or remote control,Provides a convenient choice for your DIY project Specification - Plastic Gears Model 202A, 20 Theeth, 0.5 Modulus, 11mm Outer diameter, 4.1mm Thickness, 2mm Hole Diameter Application - Plastic Crown Gears suit for a science DIY projects such as rc model car, model electric robot and windmill, education such as displaying how gear rates work, and any other family small motor DIY project. More Choose - Our store have the most complete specs gears shown in the following description, which can meet your DIY needs. Package

Price is $6.00
Price: $6.49