Build amazing moving models in the Erector 15 Model 252 pc Construction Set! Erector construction sets are the all time favorite building toys. This building set allows children to create 15 different models with the 252 included pieces. This building toy for children comes with wrench, screwdriver, steel connectors, plates, nuts and bolts, rubber tires, some plastic pieces, and cable pulley to make the cranes and cars move. The Erector 15 Model 252 pc Construction Set includes an illustrated manual to build the models. Or put your imagination and engineering thinking at work to design your own models. The models that you can build with this construction set vary from trucks and cars to robots and planes. This Erector building set is a great way to promote learning principles of engineering and inspire creativity in children. This multi-model construction set is compatible with other Erector construction sets from Educational Toys Planet.