HeapUpBox,a very interesting physics game.In game,you must heap up the box and the stones to hold 3 second, it has 25 levels and 2 challenge levels, if you like physics games, if you like challenge, you must like to finish all levels.Engjoy! Play Heap Up Box online at friv56.com. You can play it in fullscreen to have fun with it. Heap Up Box is a great Friv 56 game to play with no cost.

Use Left Mouse button to Hold and Drag,

arcade, challenge, physics, skill..