Portable storage workbench, equipped with various simulation tools, enables engineers to simulate their daily work and exercise their hand strength and grasping ability.This set includes various tools suitable for children's use, such as screws, nuts, screwdrivers, wrenches, hammers, etc. Parents can teach children how to use these accessories. With just a little time, they can help children develop the ability to handle things independently and simulate the skills of an engineer or a little carpenter.