Algodoo

Kometier Martiney now presents to you the A29YP Specimen Capsule designed to hold even the most volatile substances.

Instructions:
Opening:
1. Use select tool and select the primary lid.
2. Then pull up as hard as you can to remove.
3. Pull locking nob up on the secondary lid to unsecure the locking nubs.
4. Pull locking nubb out of its socket (in the direction of the lid, not up; yet) until you can pull lid out.
5. Pour your specimen into the capsule.
Closing:
6. Place secondary lid between the weight block and the capsule.
7. Use the block to push the locking nubs back into its lid.
8. Place locking nob back into its place in the secondary lid to secure locking nubs.
9. Put secondary lid back into the capsule then pull nob up to release the locking nubs into their sockets then push it back down to secure lock.
10. Place primary lid directly above the capsule then force lid into place.
And now you are finished!

Also, make the secondary lid transparent so you can see the simple mechanism.
Hope this was a convenience to you.