4 Piece Tegu Magnetic Wooden Block Cube Set, Green The Cube Sleeve is fun on its own, great for the desk, or a pivotal add-on to any existing Tegu set. Tegu cubes represent the most versatile shape in Tegu's building system and will provide hours of building fun. 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 Origin: Designed in the USA, purposefully made in Honduras from sustainably sourced hardwoods