Crank it up and let your building creations go! With the 34595 Builder Pull Back Motor Set, you can really add some speed and excitement to your BRIO Builder creations - with no batteries needed. Loads of building parts This open-ended construction set is a great toy for budding builders and comes with 67 pieces including a pull-back motor, big rubber wheels, a crank with wire, lots of wooden and plastic building pieces, tools and an inspiration manual. Use the pull-back motor to add some speed to a car, or to automatically pull up the crank and hook. Or maybe something completely different - it's all up to you. Educational play Working with this construction set can help to stimulate young children's logical thinking and problem-solving skills. While constructing a new toy, they get to practice their fine motor skills (dexterity) and hand-eye coordination. And mentally, they get to use their imagination, problem-solving and logical thinking as they build, which gives a real sense of achievement when their toy creation comes to life. This set includes 67 pieces: 1x Pull Back Motor Unit, 1x Spanner, 1x Plier, 63x Play Components and 1x Inspiration Leaflet.