Highlights206 Puzzles Develop Logical ThinkingDetails*Features* - *206 Puzzles Develop Logical Thinking* - Our logical road builder comes with clear and easy-to-understand instructions,you can discover 206 varieties of road building challenges for step-by-step upgraded logical thinking training. An educational learning toy to develop children's focus,observation,exploration,recognition,creativity,concentration and comprehensive abilities.*Compatible with Most Blocks* - Equipped with enlarged bas