Disney's bubble want bubbles holder. 
It is watertight. I printed it with .2mm nozzle and .1mm layer heights just to ensure its more water proof. You can change it to .4 but you would have to test for waterproofness. 

Print the smallest model to ensure fit into your wand. 

Disney Bubble Wand

Ezra-Mickey-Bubble v7.3mf

Ezra-Mickey-Bubble TEST.3mf

Ezra-Mickey-Bubble v1.3mf

Ezra-Mickey-Bubble v3.3mf

Ezra-Mickey-Bubble v2.3mf

Ezra-Mickey-Bubble v6.3mf

Ezra-Mickey-Bubble v4.3mf

Activity related to collaborating with others on models

Likes, comments, and activity from your community

A roundup of models that we think you'll like

For when we think someone might have posted your content as their own

New content from your premium memberships

Emails and messages from designers you follow

maksathing

Disney Bubble Wand