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LEGO Hidden Side J.B.'s Submarine 70433, Augmented Reality (AR) Ghost Toy, Featuring a Submarine, App-
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I have a theory that J.B. from Hidden Side is related to Professor Brainstien from Ultra Agents. (His Daughter maybe?) : r/lego
![Lego Hidden Side. Lego minifigures - Jack Davids, J.B., Douglas Elton and ghost dog Spencer on J.B.'s Ghost Lab. Stock Photo | Adobe Stock Lego Hidden Side. Lego minifigures - Jack Davids, J.B., Douglas Elton and ghost dog Spencer on J.B.'s Ghost Lab. Stock Photo | Adobe Stock](https://as2.ftcdn.net/v2/jpg/03/07/93/29/1000_F_307932969_MBE7pEq0ONSwwsz6XYwrygpKHeaNeDzr.jpg)
Lego Hidden Side. Lego minifigures - Jack Davids, J.B., Douglas Elton and ghost dog Spencer on J.B.'s Ghost Lab. Stock Photo | Adobe Stock
![Tambov, Russian Federation - September 18, 2019 Lego Hidden Side set. Lego minifigures - Jack Davids and J.B. with mobile phones in J.B.'s Ghost Lab Stock Photo - Alamy Tambov, Russian Federation - September 18, 2019 Lego Hidden Side set. Lego minifigures - Jack Davids and J.B. with mobile phones in J.B.'s Ghost Lab Stock Photo - Alamy](https://c8.alamy.com/comp/2A7F636/tambov-russian-federation-september-18-2019-lego-hidden-side-set-lego-minifigures-jack-davids-and-jb-with-mobile-phones-in-jbs-ghost-lab-2A7F636.jpg)