Build It, Play It: Mansion of Wonder

Build It, Play It: Mansion of Wonder was a Roblox event that started on June 21, 2021, and ended on July 23, 2021. It serves as a spin-off to the annual Roblox Creator Challenge events. The purpose of the event is specifically to teach players how to design their own effects by using Effect classes to make special effects. When doing so, users can follow a guide through the Developer Hub to also discover exclusive codes to redeem in-game for virtual prizes in the Avatar Shop. There was a winner placing system in the event game where players' contest submissions for the game would be when the contest ended.

Game
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Winners
The Particle Contest winners were announced on August 27, 2021. They were originally supposed to be announced on August 13, 2021, but the Roblox Education Twitter account said they were still judging the submissions on August 17, 2021.

Updates

 * On May 25, 2021, Roblox released a survey so they could receive community feedback on how to make the event experience better. This survey closed on May 27, 2021.


 * On June 10, 2021, the game went public and a blog post was made giving more announcements regarding the event.


 * On June 29, 2021, the event game was updated to make the Head Slime redeemable.