When you start you will see The King, grab the sponge block and push it up to him and jump on his shoulder (or you can jump over to the next platform and re-arrange the blocks so that you can jump on to the roof)and from there jump up to the buildings to collect the prize bubbles ([2] and [20]).

You will see another Sticker Switch to the far left of the building tops. This time it's a star which you don't have yet, return here once you have the star sticker to get ([3], [26] and [50]).
Continue over the wall and using the blocks over the next wall, now push the triangular block up against the next wall and then jump and grab its top to topple it over so it's a slope to run up.
Continue right where there is a prize bubble ([14]), use this sticker on the tea pot Sticker Switch to get two more prize bubbles ([9] and [29]).

You will see another Sticker Switch to the right of the tea pot switch. It is another star which you don't have yet, return here once you have the star sticker to get ([12], [38] and [42]).
Continue right and push the Wooden Steed (it is important that you push him) down the hill slowly, just after you see a Prize Bubble ([27]) you will see a tree that you can jump onto use the steed to jump up.(the second tree)
You will see yet another Sticker Switch at the top of the tree. It is another star which you don't have yet, return here once you have the star sticker to get ([8], [25], [35], [37] and [45]).
Move to the right of the tree and jump down to collect Prize Bubble i found it easier to use r1 and grab down the tree but whatever you find easiest ([13]).
Go get your steed from up the hill to the left and drag him down to jump over the wall, push the other steed away and you will see a Prize Bubble ([23]) behind him. Then push him to the right and use him to get over the wall.
Continue right and make your way up to the top using the blocks and steeds, on your way up you will see a Prize Bubble ([5]), jump over to get this and behind the bushes is another ([46]) get out of the bushes at the far left and get to the top and make your way down the hill where to the left you will see more Prize Bubbles ([10], [18], [30]) jump over the wall and grab the sponge balls to swing across onto the other side.
Continue right and you will see a Prize Bubble ([1]). Using the see saws make your way up to the top , on your way you will see a Prize Bubble ([15]) hanging above a see saw use this to get it down. Continue up.

You will see yet another Sticker Switch hanging. It is another star which you don't have yet, return here once you have the star sticker to get ([17], [21], [22], [31] and [33]).
You will also see a pile of blocks, use these to get to the top of the tree on the left. Continue left on here while collecting the Prize Bubbles ([36] and [19]).

To the left of the tree are some clouds, on these you will see yet another Sticker Switch hanging. It is another star which you don't have yet, return here once you have the star sticker to get ([4], [7], [16], [43] and [47]).
Continue right, use the sponge to swing up and you will see your first key, use the sponge to get it.
Continue right to The Queen to get the Prize Bubbles ([24] and [39]) then move behind the queen to get the Prize Bubble ([28]) and stick the tail on the steed which will bring down more Prize Bubbles ([11], [32] and [49]) and then use the steed to race to the end.
On the way down during the race there is yet another Sticker Switch hanging. It is another star which you don't have yet, return here once you have the star sticker to get ([6], [21], [34], [44] and [48]).
At the end of the race jump up onto the mushroom to get ([41]) and continue right to finish.