The wooden Transportation puzzle for kids comes with knob, which makes more attractive and easy to use. This board helps the children to learn faster than the books. Helps to build kids memory, improves finger coordination imagination and sharpness power of observation. Pick knob puzzles for kids are great toys for a child as it helps with development, and its bright colours and interesting shapes help entice kids to put one together. Research shows that puzzles like transport toys are an important tool in developing a child's concentration. It opens doors for better understanding of skills and subjects later on in life.