Welcome back,  we have decided to switch from the Micro Molecules being DIY kits to making them pre-assembled molecules,  We recently added all of the amino acids and are currently working on sugars and sweeteners.  These molecules are 1/2 the size of our normal kit scale at 1/2 inch equals 1 Angstrom.  This means the built molecule will fit in the palm of your hand.  They are great for display or for in the classroom as a clarification tool.  Please be aware they contain many small parts and pose a choking hazard for young children so please be careful as they are not intended for use by a child under 7 years of age.  Stay tuned as the nucleic acids and deoxyribose and ribose molecules for building DNA and RNA are next up.