The smart construction bars toy is plastic, package includes sticks, squares, triangles, circles shapes, each shape quantity is randomly dispatched, total 420pcs per package. The designs on leaflet is for reference, bringing you ideas. You can make different designs with your creativity. PERFECT GIFT Arrives packaged neatly in a beautiful, bright durable toy bag that can be used for storage long after opening your building-blocks for the first time. Children will love opening this Gift Educational goalsIt is a toy that can exercise IQ of the baby, which can make the baby develop the ability of quickthinking.This toy can greatly enhance and cultivatethe children's practical hands-on ability, improve children's cognitiveability, sorting ability, to stimulate children's imagination and learninginterest.,Suitable age over 3 years old kid. It is a wonderful toy that every kid should have one, it is a lot fun to play with, develop kids recognition of colour and shape, develop kids creativity to build stuffs, coordinate kids hands and eyes in playing It can be building block toy to make different shapes, numbers, letters, other simple shapes, and 3D shapes as pictures displays, just like 3d jigsaw puzzle toy, just use your creativity, it can be a long time toy for one or more kids to play, a perfect parent-child toy, have good time with your kids with it