Workbench

First introduced in The Sims 2: Open for Business, workbenches build badge skill as a Sim creates objects while using one of the following:

Flower Arranging bench
Associated skill: Cleaning

Robot Crafting Station
Associated skill: Mechanical

Toy Making bench
Associated skill: Creativity

Pottery Wheel (FreeTime)
Associated Skill: Creativity

Sewing bench (FreeTime)
Associated Skill: Creativity