Double your puzzling fun with this stylish set of two metal brainteasers! Featuring the Green Hashtag(2" X 2") and Golden Knot(2" x 1¼"), both crafted from sleek aluminum alloy, this duo offers unique challenges and a modern, tactile twist on classic brainteasers. Perfect for gifting or keeping on your desk for a quick mental break. Recommended for ages 14 and up. Made from aluminum alloy.