If you remember playing hopscotch on pavement squares with a piece of chalk youre going to love this giant version as it reinvents itself for the garden and it can be played indoors too where it has become a very popular game for childrens partiesten interlocking quick assembly foam pieces that are durable and easy to clean make up the squares and there are four pucks to play with easy to clean durable foam pieces and quick assembly includes 10 interlocking foam pieces and 2 pucks