Link Roundup: Hot Wheels, Tetris, Build-A-Bear, and moreBy: Todd CoopeeApril 29, 2023Filed to: Weekly Link Roundup8 things we wanted to share this week: Vehicle submissions are now open for the 2023 Hot Wheels Legends Tour.[h/t Mattel]Toys “R” Us has launched a Geoffrey’s World Tour digital series.[h/t Toys "R" Us (YouTube)]Watch: Tetris’ creators reveal the game’s greatest unsolved mysteries[h/t Ars Technica]Check out this online archive of fictional brands found in films, series and video games[h/t Fictional Brands Archive]Bandai Namco is releasing Harry Potter Tamagotchis.[h/t ComicBook.com]Mattel unveils its first Barbie doll representing a person with Down syndrome.[h/t NBC News]Build-A-Bear is entering the world of books in an imprint deal with Macmillan Publishing division Odd Dot.[h/t The Toy Book]Resource Alert! This updated list of free colouring books from nearly 100 museums & libraries.[h/t Open Culture]