wooden building Blocks It's the classic block-stacking stack-crashing game of How will you stack up against the law of gravity? Stack the wooden blocks in a sturdy tower then take turns pulling out blocks one by one until the whole stack crashes down. Is your hand steady enough to pull out the last block before the tower collapses? It's the classic block-stacking stack-crashing game of How will you stack up against the law of gravity? Stack the wooden blocks in a sturdy tower then take turns pulling out blocks one by one until the whole stack crashes down. Is your hand steady enough to pull out the last block before the tower collapses? It's the classic block-stacking stack-crashing game of Perfect Family Game! Adults and children both will enjoy playing this game together. Suitable for 2 or more players .The original wood block game. The rules are simple enough for the whole family to play.