Features & Details Safe Materials: Our fort building kit prioritizes natural materials for children's security. The connecting rods and balls are BPA-free, with smooth edges and a comfortable grip that enhances motor skills. They come in vibrant colors to stimulate cognitive development. 85-Piece Fort Building Kit: Explore endless possibilities with our kids fort building kit! It includes 30 solid balls and 55 lightweight yet durable connecting rods. Perfect for kids aged 4 and up to create their own 3D spaces—build forts, tents, pyramids, rockets, and more with parental guidance. Cool Glow Feature: No batteries or charging needed! Combining environmental friendliness with fun, our fort builder kit glows in the dark after charging under light. The longer it absorbs light, the brighter and longer it glows—a magical experience for kids. Easy to Assemble: Our fort kit features oval-shaped connecting rods for flexible and secure assembly. It includes a simple assembly manual for kids to