Dismantle the bomb and arrange the patterns one by one when you go in, so that red, yellow, blue, green, black, purple, orange and sapphire will come out. It would be nice if you put topaz in the middle where there is no gem.

You can get the jelly duck by entering the mysterious passage: go to the mechanical room to buy electric batons ... which footprint you aim at, the jelly duck will come out ... you can catch it.