600Pcs Straw Contructor Building Toy,This Kids Educational Toys Inspires Creativity, Promotes Hand Eye Coordination And Helps Your Young Learner Learn Their Colors!Great Indoor Activities For Kids During Free Time.All Building Straws Can Be Tightly Spliced Through The Connectors And Are Strong Enough. They Can Be Connected In A Matter Of Seconds And Disassemble Just As Effortlessly. Ideal For Birthday Gifts, Kids Party Supply ,Classroom Education Material, Kindergarten Manipulatives, Daycare,Preschool Stem Learning Toys.