Material: Silicone EARLY EDUCATION & DEVELOPMENT, the building toy is a must-have toy for each baby, your baby can stack cup toys in anyways they want. silicone stacking toy can exercise their hand-on ability and creativity, promote the development of the brain, besides, colorful stacked toys can promote their cognition of colors and sizes PERFECT GIFT FOR BABY, all the child is interested in building things, and enjoy the fun of pushing down the building and remade, they also love to turn baby sensory cup toys over and hide things underneath, Socub stack up cup toys have unique designs in modern colors and fashion at all times. silicone toys make an excellent gift for child and toddlers 3 IN 1 STACKING CUPS, sturdy smooth silicone cups have a good size for little hands, the stacking & nesting cups can provide opportunities to play with your child, and bring your child a lot of fun, when it's idle, cups toys can be an excellent toddler's training cup, to support toddler drinking independently, besides, baby building cup set can be perfect decorations EASY TO CLEAN AND CARRY, silicone stackers are easy to clean, simply clean with mild soap and water, you can also put the stacking toy in the dishwasher, besides, small construction nesting cup toys are easy to carry with your bags when travelling or outside