Is Gravity Maze worth it at $19.97?

At $19.97 at Amazon as of November 5, 2026, it is a low-risk buy for a puzzle-minded kid. You get 60 challenges and reusable pieces, so the cost per play is small.

What age is Gravity Maze for?

ThinkFun rates it for ages 8 and up. Younger kids can start on the beginner cards with help, and many adults enjoy the expert levels.

How many challenges are included?

There are 60 challenge cards, from beginner to expert. Each card shows a target and starting tower positions, and you build the path to reach it.

Can more than one person play?

It is designed as a single-player game. Two people can take turns on cards or solve together, but there is no competitive mode.

The box has the game grid and towers, marbles, 60 challenge cards, and an instruction manual.

When is the best time to buy it?

It is a common holiday and birthday gift, so prices often dip around Black Friday and December. The current best is $19.97 at Amazon as of November 5, 2026.

Where can I buy the ThinkFun Gravity Maze Marble Run Brain Game?

4 stores we checked sell it, including kiddywampus, Walmart, eBay, Amazon.

ThinkFun Gravity Maze Marble Run Brain Game

Q: Where is the ThinkFun Gravity Maze Marble Run Brain Game cheapest?

At Amazon, for $19.97, 68% under what the other stores charge, as of our latest check.

Best price now

$19.97at AmazonObserved at 8:55 AM

68% under what the other stores charge

Compared across 4 stores. Prices are checked against each store and labelled with when.

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Our take on the ThinkFun Gravity Maze Marble Run Brain Game

Gravity Maze is a single-player logic puzzle where you build a marble path through towers on a grid to hit a target. It ships with 60 challenge cards that ramp from beginner to expert, and the goal is to place towers so gravity carries the marble to the end. It is a STEM toy aimed at ages 8 and up, and adults often work the harder cards too. The best new price is $19.97 at Amazon as of November 5, 2026, with 4 stores listing it new.

What reviewers say

Reviewers call Gravity Maze fun for solo or group play, easy to set up with clear instructions, and sturdy. They say the level progression keeps kids and adults engaged as skills improve.

Pros

Fun to play solo or as a group
Easy, quick setup with clear instructions
Sturdy build
Great for kids and adults together

Reviews

Review
Best Toys for Kids in 2026 - Skip to content
Review
Best Toys for Kids in 2026
Review
Very fun to work on

About the ThinkFun Gravity Maze Marble Run Brain Game

Gravity Maze is one of ThinkFun's most popular stem toys for boys and girls. It's a gravity powered maze game that comes with 60 challenges of increasing difficulty, from beginner to expert, and makes a great birthday or holiday present for kids who like puzzles, smart games and challenging activities. Gravity Maze is made with high quality components, and comes with a very clear and easy to understand instruction manual - you'll be able to play within minutes of opening the box. Like all of ThinkFun's games, Gravity Maze has an educational aspect - it's built to develop critical thinking skills and tie into STEM subjects like science and engineering.Playing through the increasingly difficult brain teaser style challenges will sharpen your mind by improving logical reasoning, spatial reasoning and planning skills, all through fun gameplay. Like all of ThinkFun's games, it also makes a wonderful addition to any homeschool curriculum. For over 30 years, ThinkFun Inc. has been dedicated to creating games that spark curiosity, cultivate confidence, and nurture life-long learners. Its games encourage interest in Science, Technology, Engineering, and Math (STEM), while generating excitement for a world of learning through play. Innovation, creativity, value, and fun are the four elements that comprise the development of every game. Ignite the mind, and change the world for each player.