Baby Hammer Boards Three AAA batteries are required

Three AAA batteries are required to operate it

pump the priming slide backward and forward

Perfect for keeping kids busy when they're stuck indoors

Catch some laughs and learning with this wooden magnetic play set-complete with working wind-up reel

There is 1pc pen holder to put the pen and eraser

Baby Hammer Boards Three AAA batteries are required[EDUCATIONAL] The toy stimulates the baby's curiosity, and inspires color learning and musical exploration. The Baby Hammer develops motor skills and introduces the action cause model. [HOW TO PLAY] To play with the toy, the child picks up the hammer and taps it on one of the balls, which causes the ball to drop through a hole and into the toy's interior. As the ball falls, it triggers a mechanism that causes the toy to light up and emit a fun sound