Product name: soft rubber texture building blocksProduct material: PVC (can be bitten)Single grain size: 5*5*6cmPacking size: 23*16.5*6cmApplicable age: 0-4 years oldProduct function: graphic recognitionProduct characteristics; non-toxic material, chewable.Product introduction; 6-sided shape and tactile cognition, large particles are comfortable to hold, and use building blocks to inspire the baby's talent. High saturation + suitable gray scale + advanced color value + complementary color card ratio. Squeeze the blocks to release air, put them in water to absorb water, and press to spray water after absorbing water. The concave-convex shape inserting design can exercise the baby's hand-foot coordination and fine hand movements, and strengthen the baby's shape recognition