A fun alternative to building blocks, the PicassoTiles 108 piece all brown interconnecting chips (PTF108-BRN) click together simply and easily for children as young as 3, while still being an entertaining toy puzzle, and even a fun brain activity for adults nurture problem-solving, hand-eye coordination, and fine motor skills. This toy set creates an environment for STEM learning, tailored for school-aged children, this structural chip set seamlessly integrates imaginative play with academic enrichment. This set contains only brown interconnecting chips.