LEGO Hidden Side. J.B’s Submarine. 70433

J.B.’s Submarine
Set Number: 70433
Release Year: 2020 (Retired 2021)
Piece Count: 224
Minifigures: 3
Theme: Hidden Side

Overview:
This set features an underwater exploration scene centred around J.B.’s compact yellow submarine. The build includes adjustable robotic arms, a bubble canopy cockpit and rear thrusters. The seabed section features coral, seaweed and a ghost‑possessed shark that can be rebuilt into a larger Hidden Side creature. Three minifigures are included: J.B., Parker and the possessed shark figure.

Key Features:
• Yellow submarine with bubble canopy
• Adjustable robotic arms and rear thrusters
• Seabed build with coral and seaweed
• Possessed shark that rebuilds into a larger creature
• Three minifigures: J.B., Parker, possessed shark
• Designed for play or display

Collector Appeal:
This set appeals to collectors due to its unique underwater theme within Hidden Side and its combination of vehicle, creature and environmental builds. As a 2020 release retired in 2021, complete used copies remain desirable for fans of the theme and collectors seeking smaller sets with strong character inclusion. Its colours, submarine design and ghost‑creature transformation make it a standout mid‑size Hidden Side set.