Subcomponents of toys. or we re always looking at the couplings. what can i harvest? for $5, you get the four little l.e.d.s that already have the clips on and everything. people already did the engineering for us, they just didn t know what they were using it for. when you look at a toy today, you re actually looking at an engineered part. it s not the cheap injected molded plastic of 20 years ago. there are electronic bits and pieces, sometimes there is even chemistry you can harvest from the toys. what are these? it s called nano blocks and it s kind of like silly putty. it changes color from the heat in your hand. there are some mechanisms in toys that are too clever and just a really good idea that we ll get them just as inspiration to do something with them later on. these i haven t seen for years. i didn t even know what these were called. i grew up with these in honduras. what i would do is take something like this or even something like this and make a