[Fort Construction Toys Kit] Include 55 colorful balls + 100 sticks+1 Instruction+1 tent cloth. Just insert the plastic tube into the hole of the sphere to fix the plastic tube, very simple.easy to construct. Balls are solid and easy to connect. Kids will have endless imagination to build various shape. [Different Shapes] This fort building kit have more construction structure, castle, play tent, rocket, tunnel, house, igloo, cave, sphere, bunker, ship, airplane, villa, helicopter, mansion, name or DIY. Build & play indoor or outdoor. Its sturdy to put the blanket or bed sheet on it. Good fun to make huge structures. [Educational Toys] Kids can build different shapes with their friends or parents. It will stimulate their STEM skills(science, technology, engineering, and mathematics), imagination, creativity, and problem solving, practical, construction skills, hands-on skills, hand-eye coordination, learn to recognize colors and shapes, count and sortteam work skill. Imagine and construct anythingLet children share their happiness with friends and family members [Safety Material] Use ABS material, safety and non-toxic, smooth edge will not hurt kid's little hands. You can wash or clean the products using 45 warm water. The structure is sturdy and not easy to fall apartdurable for children who play for a long time.Allow children to play as much as they want. [Good Gift]: This fortress building toy not only allows children to experience the fun of construction, but also cultivates children's hands-on and coordination abilities. Very suitable as a gift for children