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- $9.99Rube Goldberg's Simple Normal Humdrum School DayAmazon
- $5.26Rube Goldberg's Simple Normal Humdrum School Day by Jennifer GeorgeBetter World Books
- $9.75Crazy Contraptions: Build Rube Goldberg Machines That Swoop, Spin, Stack, and Swivel : With Hands-On Engineering Activities by Laura PerdewBetter World Books
- $37.00Vintage Mouse Trap Game - Retro 1980's Milton Bradley Board Favorite 80S Toys Family Night Classic Rube Goldberg ContraptionEtsy