LULUFUN 8-in-1 Engineering Toys Building Blocks Set, Gift for 14+ Year Old Boys and Girls 310pcs

8-in-1 Construction Toys Kit: This excavator toy set includes 310 pieces, which can be transformed into 8 different models, road roller, steel crane, gravel truck, jackhammer, cement mixer, bulldozer, excavator and forklift. Interestingly, eight different models can take apart to form a big truck. Which means you can get 9 different toys in one set. Funny Educational Toys: This fire truck toy not only keeps children happy, but also good for exercise thinking skills by recognizing the relationship between the whole and the parts.This stem projects will promote your child’s hand-eye coordination,  inspires creativity and  advance brain development.   Teamwork and Collaboration : This toys kit has eight different models, children can enjoy after school time with their friends for hours. Also it helps to improve parent-child relationship by guiding children how to play with building blocks. Problem Solving Ability: A little bit challenging yet fun project for kids, come with step-by-step i