This set comes with 10 double-sided cards (15x19.5cm) which give different challenges across 3 levels. Green beginner level shows 1 shape in different colours, yellow intermediate level shows 1 colour in different shapes, and red advanced level shows a mix of different colours and shapes. Includes 32 sustainably sourced pine wood buttons measuring approximately 4x4cm in 4 colours and 4 shapes. The 4 boards (20x20cm) are made from sustainably sourced plywood and feature integral holes for threading your shapes using the 8 laces included with this set. Clean with a dry or slightly damp cloth with mild soap or detergent, and then wipe dry. Sturdy, reusable cardboard packaging.