1.intelligence building blocks. 2.size, color, shap etc are customized 3. ... 4.MOQ: 1000sets 5.OEM Specs: Product name: educational toy, intelligence building blocks. Material: EVA, meet EN71 part 1, 2, 3 ... audit.OEM, ODM service offered.Use: Good to children brains, intelligence toys.Occasions: play at home, school etc.Our product can ...