Make Pixelart assets for a platform game (16x16 pixels tile sized)

ATM we are using this unity game asset : [login to view URL] These are 16x16 tiles and we need more arts to end our development. of course, we will need a very few sprites too. think that you are going to do small work, few arts for this work. we will need : pipes (we have a set in non pixelart style, you simple need to convert to pixelart) gears ( 2 at least, diferent sizes ) belts and pulleys ladders doors and hatchs in metroid style ( with animation frames, can be simple ) An terminal screen to be used in game, think a mix of fallout 1 with talos principle terminals one simple char ( think about a floating amoeba ) with 1 animation frame to frame of they standup one char to be the main protagoist : a 16x32 pixels only animated with these animations (3 or 4 sprites , using sprite sheet) : walking running jumping jumping with a propulsion swimming ( 32 x 16 instead of 16 x32) doing a dash ( like megaman X) (not animated) stand up , but show the backside (not animated) stand up , but show the frontside (not animated) Using a Ladder that´s it, plz see wath we are using in the atached files, you not going to do not much futher this...