Learning and fun:parent-child interactive toys for teaching colours shapes numbers 3D spatial cognitionPerfect promote children's fine motor skills stimulates imagination and creativity develop hand-eye coordination and logic thinking instilling self-confidence. Use:in one set of mixed random colors and shapes Various suit combinations to meet different needsincluded large and small squares large and small circles pentagrams and triangles. Manufacturered by DHUYUN. Material:made of high-quality plastic recycled safe and non-toxicCrushproof sturdystand the test of time against. Portable storage: comes with a convenient Plastic storage box all the pieces can be effortless neatly storedAlso with top handle allow you to take it anywhere also be great toys for outdoor or travel playing. This building blocks set can improve children's hand eye coordination it can develop children's cognitive development of colour and cultivate children's creativity.