With super strong magnetic force, unique rod and ball configurations and myriad design possibilities, Better Builders are a wonderfully inventive way to help children discover principles of science, construction, and engineering while developing their creativity skills. Includes handy storage bin and deluxe 13-page Activity Guide which explores magnet science and provides sample building models for all ages. Magnets are safely and securely embedded in the over-sized rods. Metal balls ensure a quick and strong connection. An Oppenheim Platinum Best Toy Award Winner.-Open-ended magnetic construction toy for ages 2+-Set includes 30 primary color pieces, storage bin and an activity guide-Over-sized rods with grooved grips and embedded magnets are perfect for small hands-Rods come in various sizes for more stylish designs-Quality steel balls make building a snap-Coordinates with all original Better Builders construction sets-Material: Plastic rods, multicolored metal balls, and super strong magnets-Educational Focus: Exercises creativity, principles of science, magnetism, and engineering-Suggested Age: 2+