Crochet pattern brain keychain, amigurumi brain, anatomical brain crochet pattern

This crochet patterns contains instruction with step-by-step on how to make brain model keychain.
All the instructions are made in English (US).

To create such ornament you shall know how to make:

MR – magic ring
R - round
SC – single crochet
HDC - half double crochet
SL ST – slip stitch
CH – chain stitch
DEC – decrease
INC – increase
(sc, inc) * N – repeat N times

Materials:

1. Any yarn, I used YarnArt Jeans(50gr/160m/174yds): 
* pin № 74 for the brain;
* black № 53 for hands and legs; 
* bright pink №59 quite a bit for embroidering the cheeks.
2. Black sewing thread for embroidering the mouth, eyelashes, and eyebrows.
3. 6 mm safety eyes.
4. Crochet hook 2 mm.
5. Glasses with a diameter of 15 mm or copper wire and wire cutters for making them.
6. Hot glue gun.
7. Keychain accessories.
8. Fiberfill/stuffing, thick sewing needle, pins, scissors and a good mood.