This mini felt block rendition of tangrams allows easy packing for independent play. Its compact size is convenient and ready to be taken anywhere. Eco-friendly, this set contains all seven necessary felt blocks and a folding pattern guide with nine simple and nine difficult patterns. A Speech Language Pathologist designed them to promote creativity and invention. It features two large triangles, one medium triangle, two small triangles, a square, and a parallelogram. Recommended for 4+ years of age. Caution: keep away from children under 3 - choking hazard.