?Toddlers Big Blocks Design. Big Box For Storage? MET big blocks set comes with a big box for kids to storage bricks after playing. It could help kids develop a good habit of organization and tidiness. ?Keep Kids Away From Screens? 3-6 years old young kids are in Important period of eye development. MET big blocks could help keep kids staying away from electronic screens to protect their eyes and enjoy their hands-on playing time. ?Parent-kid Loving Interaction? It provides parents and kids a great chance to interact while playing with the building blocks. Parents could help kids form their basic logic of the world. ?Color Learning & Engineering Knowledge Enlightenment? Various colors of bricks could help young kids sort colors when they build models. Meanwhile, the building process could enlighten kids of basic engineering knowledge with wheel structures and assembling principle.