3 years & up. Imagine, build, and create with this colorful set of interlocking Porcupine Blocks. The soft-bristled pieces encourage tactile, sensory, block, and creative play. Simply press the blocks together to attach them. These textured blocks come in four colors and in multiple shapes and sizes. Encourage children to build vehicles, airplanes, buildings, boats, or even animals. Their imaginations are the limit with these engaging blocks. This set is perfect for individual or group play. Set of 216 pieces.