【Stacking gameplay】: The movable cube has built-in shape modules, which can be paired with shapes or stacked into columns. 【Safe and Durable】Safety is always mom's top concern, and so are we. This cube is made of high-quality ABS material, rounded edges and smooth surface will not hurt your baby's hands. Perfect size for baby's small hands to train grasping skills. 【Great Gift for Babies】: This baby activity cube is a perfect gift for boys and girls aged 6-24 months. Overview This sensory baby toy for 6 to 12 months offers tons of fun for babies. They can practice a wide range of key skills including hand-eye coordination, memory, puzzle solving and more. Activity Cubes will help children build early shape sorting, color recognition, and size distinction skills. Shape sorting games improve your child's fine motor skills and train hand-eye coordination. A variety of play methods can make your baby more happy.