Chenille kraft 3584 gemstones classroom pack, acrylic, 1 lbs., assorted colors/sizes liven up arts and crafts activities with these acrylic gemstones. Offers a variety of shapes and designs. Recommended for ages 3 and up. Size: assorted; material(s): acrylic; color(s): assorted. this product arrives to most customers in 2-3 business days.