Two Tone Stacking Stones are great to challenge the child and make them use trial and error method to form different stones. The little one will visualize how each stone should be placed in relation to other stones, and be able to distinguish the difference between the two colours tones of them. Develops creativity, cognitive skills, and helps the child perceive things and incorporate them easily! Suitable for ages 3+ Made from eco-friendly timber Ethically produced in Vietnam Perfect for early learning centres, therapy rooms, Montessori centres, Steiner centres and natural play educators