Bone Vault

The Bone Vault is a location and an activity in JumpStart 2nd Grade. CJ stands out while Edison goes in. Math and spelling problems are solved to unlock the door. Once the door is open, a cat comes out with lots of bones. There are eight locks to open. Choose any item to measure with the ruler or scale.

Math
The player must use addition or subtraction with a zero in blue.
 * 0 1 2 3 4 5 6 7 8 9

Spelling
The player must choose a vowel to put in the word with a Y in red.
 * A E I O U and sometimes Y

Eight Locks
The eight locks open with math or spelling to unlock. The knob turns with vowels or digits on them. There is a cat inside with a lot of bones. The zero is in blue and the Y is in red.

Items For Scale and Ruler

 * Soda Can
 * Television
 * Shoe
 * Football
 * Basketball
 * Hammer
 * Pencil
 * Brick

Trivia

 * A screenshot of the Bone Vault is in the demo and preview.
 * There are eight items to measure for the scale and the ruler.