Characteristics:1. Endless Creativity: The 820 typewriter building blocks set combines a classic design with a retro typewriter theme, providing a unique and creative building experience. With these micro building blocks, both adults and children can let their imaginations run wild and create their own miniature typewriter masterpieces.Specifications:Product size: 21.7*13.2*7.3CM/8.54*5.19*2.87inProduct material: environmentally friendly ABS plasticBlocks: about 461 times 1, 2 and 2.Packaging content: building blocks and detailed instructions