Sembo Mini Blocks China Ancient Architecture Wanshou Pavilion House Tower Model Building Blocks Expert ToysMaterial: Made of high quality plastic, it can be recycled, safe, non toxic, durable. There are 3249 pieces set of micro sized building blocks, It's a challenge to finish it. If there are missing parts after finishing the spelling, you can reissue the accessories for free Educational toys: The smallest micro brick enhances hand eye coordination, enhances exploration, enriches imagination, stimulates creativity Use Value and Meaning: By assembling