Puzz-Led package contains all identical pieces made up of Recycled, heat resistant Poly vinyl material. It is a four-sided piece that can be made into 30 plus various designs. The puzzle comes in 3 sizes small, medium and large. Each kit has 30 pieces and each piece has 4 sides, 2 round and 2 straight sides. It also has a cord and an instructional page to help you understand how to make these. Please see below for more details.