Build 30 incredible motorized models with this Erector multi model construction toy! More than a century of classic erector building is packed into this one kit. This classic building toy includes 352 great pieces for young engineers to create 30 amazing models with. These models include a lawnmower, motorcycle, helicopter, backhoe, crane, robot, race car, ski lift, and more. All the models are powered with an included 6V motor (requires 4 AA batteries, not included), so helicopters can fly, cars can race, robots can move, lawnmowers can mow, and more! Young engineers can create models with the Erector 30 Model 352 pc Building Set by looking at them in the included instruction booklet. Children can also make their own designs from their imagination. This building set toy also comes with a real wrench and screwdriver. This Erector 30 Model 352 pc Building Set is compatible with other Erector building kits from Educational Toys Planet.