Teacher Created Resources Foam tangram set of 8 tangram squares is ideal for kindergarten+ grades and is lightweight. Set with total pieces of 56 comes in a resealable storage bag.. Age group and grade: Ages 5 – 9 and grades kindergarten+. – Usage ideas: Foam is lightweight, soft, quiet and washable. – Includes teaching tips. – Eight tangram squares, each measuring 4″. Each set is a different color.56 total pieces. – Comes in a resealable storage bag. – Number of pieces: 56 pieces. – Foam is lightweight, soft, quiet, and washable. – Teaching tips are included. – Small parts. Not for children under 3 yrs.. Number of pages: 56 pieces. – Foam tangrams, each set is a different color for grades kindergarten+ and ages 5 to 9.