Montessori object permanence box in good condition. Brought my tot lots of joy! - side edge slightly weathered as per pictures but does not effect function. Looks and feels to be a vanity flaw. As per website: EXPERIENCE THE MAGIC: Our Object Permanence Box is the ultimate Montessori tool for your child's development! Crafted from eco-friendly hardwood, coated with child-safe lacquer, it offers a lasting finish. Watch as they place the ball, witnessing its vanishing act and reemergence in the tray. With joyful repetition, they'll master object permanence, enhancing hand-eye coordination and focus. Unlock their potential with this exceptional learning aid, igniting curiosity and a love for learning! NATURAL DEVELOPMENT: Peekaboo captivates infants as it aligns with their evolving comprehension of object permanence – the realization that objects exist even when unseen. A pivotal developmental milestone in the initial year, mastering this concept deeply engages them. They delight in the familiar face or toy vanishing and reappearing, fostering cognitive growth. CLASSIC MONTESSORI: Introduced around 6-12 months when infants can sit up, the object permanence box is a staple Montessori tool. It fosters object permanence and sharpens hand-eye coordination, fine motor skills, focus, and concentration – all crucial aspects of a child's development.