Suprise gift???

Question

my g-pa is giving me a gift and he wont tell me what it is! he gave me some hints. here they are:

it is cylindrical

can't see through it

heavy

non-electronic

does not plug in

have any ideas 10 points to best answer

Answer 1

condom or a cryptex.

Answer 2

its a cryptex

read the davinci code

Answer 3

a condom?

Answer 4

- rolled up coins

- weights

- drum kit