Brain development Color recognition Cognitive size Recommended age: 3 years and above ECEM kids presents multicolored wooden blocks with 7 story tower for kids. Match and sort these colorful wooden pieces, and skill-building is just part of the fun. Rings can be put onto the rods, stacked on top of each other, or lined up to compare shapes, sizes, and colors. Brand No Brand SKU OT776TB14E1R8NAFAMZ-154329