Tegu Magnetron Magnetic Wooden Block Set Fast forward your play into the next millennium with Tegu's FUTURE sets; Fully compatible with ALL other Tegu Magnetic Wooden Blocks Brilliantly simple and premium heirloom-quality toy that will last for generations Curiously attractive and perfect for those seeking toys supporting open-ended and unscripted play Naturally safe: no lead, no plastic, non-toxic, water-based lacquer finish, no small parts Tegu support a childs development over time through play: enhanced fine motor skills, pattern recognition, balance, sense of scale, imaginative play, problem solving, storytelling.