Unique Design - Our stacking toys building blocks comes with 6 vibrant color & fit size circles that catch babies eye and develop fine motor skills .There are animals,letters and special textures that is relief design on the surface of the baby ring toy. Fun Stacking Game - All babies are interested in stacking things. Cute stacking circle can build whatever shape that you want. Stack them up up up...All the way to the top. Then knocking down the stacker and remade. Fun never end! No Crying & No Tears - Are you worried about how to comfort crying baby? Our stacking ring is a quite good choice at this moment.The product will produce the BiBi sound when you squeeze it. Perfectly catch baby’s attention and make them stop crying. No crying, no tears, only smiles and laughter. STEM Early Development - Our ring stacker is an ideal baby sensory toys for babies. Include animals, shapes, letters and textures for baby early knowledge learning. It’s not only exercise children’s hand-on ability and creativity. Also develop kid’s color perception, digital cognition and shape recognition while they playing stacking game. Quality Guarantee - The stacking ring is made of high quality food grade silicone. It’s soft and non-toxic without any edge or corner. Smooth surface and chewable. It’s great for baby teething and biting in molar period. It is an ideal gift for baby shower, Christmas and Birthday.