Smart Steps Happy Hammer

The Happy Hammer by Smart Steps is a soft, double-sided toy designed to help children aged 9 months and up develop cause and effect skills, grasping and holding ability, and auditory cues through interactive music and lights.

• The description claims the toy improves cause and effect skills, grasping and holding ability, and auditory development.
• The description claims lights and sounds are activated when the toy is hit on either side.