Operation Ouch Issue 16 - Icky Eye Goo

Did you know us humans have the same number of bones in our necks as giraffes? In Issue 16 of Operation Ouch, read all about the nifty muscles and bones in your neck that hold up your head, the effect that music has on your brain, and the amazing protein that helps your nails grow. It's the same protein that makes up a rhino's horn! You can also play a nail-biting game of Digit Dart, make edible eye gunk (gross!), and sew some really cool camel cards. With fun brainteasers, optical illusions, and memory puzzles, Operation Ouch 16 has it all.