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 friv-123.com. You can play it in fullscreen to have fun with it. Heap Up Box is a great Friv 123 game to play with no cost.

Use Left Mouse button to Hold and Drag,

arcade, challenge, physics, skill..