Choose from available set sizes Magnetic and plastic construction Activity guide included Great for ages 5-12 years The Guidecraft PowerClix Organics Set arent those crisp, lifeless shapes of traditional building sets. These colorful plastic pieces have the natural form perfect for creating anything from plants and insects to skeletons and corals. Best of all, magnetic Organics and connect with PowerClix Frames and Solids for even more amazing designs limited only by your imagination.Guidecraft was founded in 1964 in a small woodshop, producing 10 items. Today, Guidecraft's line includes over 160 educational toys and furnishings. The company's size has changed, but the mission remains the same, stay true to the tradition of smart, beautifully crafted wood products, which allow children's minds and imaginations room to truly wonder and grow. Choose from available set sizes. Magnetic and plastic construction. Activity guide included. Great for ages 5-12 years.