Our valentines' day gift for kids includes 28 PCs of rainbow springs, 56 pcs twist ties, and 28 PCs of valentine’s cards. Each infinity cube is measured at 3 × 3.3 inches. Just stretch out the springs and it will snap right back. Great gift option for kids' school classroom prizes, gift exchange, love notes, valentine infinity cube toys for kids, and more! Safe for children: Non-toxic, Non-BPA. Meet US toy standards. Safety test approved. Item #: 14445