What's inside the Box? is a free puzzle game available online on Silvergames.com. You can play this addicting game for kids in full-screen using every modern browser. What's inside the Box? has been already played 10,798 times and received 67 percent positive feedback with 242 votes. When you are done with the game, you can play other online games such as Connect 4, Mahjong Fun and Smarty Bubbles for free on Silvergames. If you enjoyed playing What's inside the Box? share it with your friends via Snapchat and other social media.