Erector Set is the trade name of a play building set that contains small beams with holes for nuts, screws, bolts and interconnectable pars such as gears, pulleys and even motorized parts. Erector Set was designed by A.C. Gilbert in 1911. And ever since it has been the most popular children construction toy concept in the USA. Our days Erector building toys feature so many new models, parts and construction pieces that they bring together classic construction toys with the 21st century high tech building experience. Erector construction sets promote children creativity, design and engineering skills, help learning the basic principles of mechanics, and physics of motion. Your young builders can create cars, robots, trucks, buildings, imaginary creatures, flying machines and much more with our cool Erector Sets.