Cartoon design and bright color can children's resolving ability and cognition of the color. Made of safe material, harmless and environmental, soft and wont hurt others. There is a bell in the hammer,when you knock, you will hear the soft sound, which can attract babys attention. It is a perfect present to your friends who also have children. Type: Inflatable Hammer Material: Plastic Inflatable Way: Inflator (Not Included) Style: Sent by Random Features: Light Weight, Various Styles, Children Gift Size: 15cm x 9cm/5.90" x 3.54" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Inflatable Hammer