September 17, 2024 ZIPSTRING LUMA This glow-in-the-dark toy carefully balances the forces of gravity, lift, tension, and drag to fly a looped string in the air. Kids can use it to perform amazing tricks. Product Facts MSRP: $29.99 Age: 4+ Manufacturer: ZIPSTRING Buy Now The Toy Book participates in affiliate programs that may generate revenue for the site when a purchase is made through the links below. Amazon arrow-rounded ZIPSTRING arrow-rounded Share x Link to X linkedin Link to Linkedin instagram Link to Instagram facebook Link to Facebook