Mag-Genius Magnetic Sticks 2016 Edition Extra Large Sticks To Help Stability Building Set Intelligence Construction Toys Over 350 Pieces included + bonus Plastic storage container This magnetic building set is a safe and fun solution to help broaden the imagination of kids of all ages. Explore the power of magnets, develop their talent and stimulate their interest in science. There is a steel bar molded inside the magnetic sticks, which greatly increases the magnetic strength, making the sticks very strong. A total of 358 piece set (includes: Sticks, Steel balls, Window doors and much more) New 2016 Design Holds together strong and tight and easy to work with Every set will include a beautiful Plastic organizer storage bin for easy storage and carrying Magnetic building sets made with top quality magnets