Contixo ST3 223PC STEM BUILDING BLCKS

• 223-piece set of brightly colored, nontoxic building blocks that are certified phthalate-, lead-, cadmium+, and BPA-free;• For ages 3 and up; WARNING! Choking Hazard. Small Parts. Not For Children Under 3 Years.;• 90% more pieces than other, similar sets that supports up to 8 users at the same time;• Supports STEM education;• Encourages children to learn through playing;• Hassle-free enjoyment;• Superior design offers more ways to play;• Designed to enhance children's Science, Technology, Engineering, and Math skills;• Specially created to help child's develop hand-eye coordination, master fine motor skills, improve logical thinking and boost vital problem-solving skills;• Includes large, full-color guide with 42 designs, starting from easy for younger kids to advanced designs for older kids;