For the sake of getting this game to pick back up, yes there are stones. And I assume Wendy tosses these stones to find a way forward. Here are the results of testing.<br/><br/><strong>gold </strong>===== Pale blue<br/><br/>orange ===== Silver<br/><br/><strong>bronze </strong>=====<strong>green</strong><br/><br/>gray ===== yellow<br/><br/><strong>bright blue</strong>===<strong>==</strong>pink<br/><br/>purple =====<strong>black</strong><br/><br/>white ===== violet<br/><br/>torqouise ===== red<br/><br/>scarlet   ===== buff<br/><br/>pale green =====<strong>indigo</strong><br/><br/><br/>The stone thrown at the green sphere disappears behind a veil, but strikes something and pops back out.<br/>No traps seem to be set off by the throwing of stones.