Specification:  Material:Plastic;  Age Level:5-7 Years;  Gender:Unisex;  Skills:Hand-Eye Coordination;  Types:160/500/700pcs;    Features:  - BRIGHT COLORS: The straw constructor inspires creativity, promotes hand-eye coordination.  - SAFE AND FUN: Made of high quality non-toxic materials, our straw constructor can be easily cleaned with warm, soapy water or a baby wipe.  - EARLY EDUCATION: Help your child practice fine motor skills, while having fun They won't even know they are gaining valuable learning experiences when they play.  - MULTI SKILLS DEVELOPMENT: Help support your child with early experiences involving: Engineering, Construction, Thinking, Social Skills, Reasoning, Mathematics, Science, & Simple Mechanics.  - BEST TOYS GIFT: Packed with durable plastic case with handle, easy to keep in storage. Great for birthday gifts, kids party supply , classroom education material, kindergarten manipulatives.    Package included:  S: 160PCS/Set;  40 x 195mm Straw;  40 x 95mm Straw;  80 x Connectors;    M: 500PCS/Set;  80 x 195mm Straw;  170 x 95mm Straw;  250 x Connectors;    L: 700PCS/Set;  100 x 195mm Straw;  250 x 95mm Straw;  350 x Connectors;