TOY DC MOTOR KIT, CLASSROOM BULK PACK OF 48 • Learn by doing! Not a snap together kit that takes 5 minutes, but a full 1 hour lab! • Students wind the field pole, wind the armature, adjust the brushes, and position the communicator • When done, they've learned the basic parts of a motor and why they work, and have something to show for it • Includes: illustrated instructions & detailed assembly tips • For ages 10 and up Save on Our Classroom Bulk Pack • Enough materials to make 48 motors