368
people found this helpful, as of 2023
ranked #60,995 most helpful
out of 571,544,897 reviews
★★★★★
Fascinating for kids and grownups!
I bought it as a gift for my grandsons, who liked it and began playing with it the minute they opened it, but it was just as intriguing for our sons, their dad and uncle!
the product in question
ThinkFun Gravity Maze Marble Run Brain Game and STEM Toy for Boys and Girls Age 8 and Up: Toy of the Year Award Winner
4.6★ · 30,535 ratings, as of 2023