The perfect toy for building on-the-go! Whether in the car, plane, the diaper bag, the purse, or at the restaurant; now you can "thinker" wherever you are. Fully Compatible with ALL other Tegu Magnetic Wooden Sets. More about Tegu: - 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.