Rock & Roller

The best use of physics is here in this hunt. They fulfill the engineering rules and made an awesome wooden rocker. It is beautifully designed for kids. It has various cool features, some are as under:

The Rock & Roller is designed to quickly and easily switch back and forth between roller and rocker mode. Unscrew the locks, flip it over, and lock it back into place. It uses a locking screw on both sides for additional safety and avoids any accidental unlocking. This is unique design is patent-pending.