Popsugar Parenting Best Of 2020 Best Learning Toys For 2020 The 40 Best Learning Toys of 2020 12 December 2019 by Rebecca Brown View On One Page Photo 9 of 40 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 ThinkFun Gravity Maze Marble Run Logic Game and STEM Toy The ThinkFun Gravity Maze Marble Run Logic Game and STEM Toy ($230) contains 60 challenges, some multilevel. Previous Next Start Slideshow Best Of 2020StemShoppableKid Shopping