Single review
ThinkFun Gravity Maze Review
Reviewed from the manufacturer's published specifications and the arithmetic on them. We have not used it, and we say so.
By Sawyer V. · Published
The short answer
ThinkFun Gravity Maze publishes 60 challenges from beginner to expert, a game grid with 9 towers, 1 target piece and 3 marbles, for a single player, rated 8+ with no batteries. Sixty is a real number with a real end, which is the most useful thing to know before buying it as the main present.
Block & Beaker earns a commission when you buy through our links, at no cost to you. It never changes a ranking, and we say so plainly when the right answer is the cheaper set, or nothing at all. Full disclosure · How we pick.
At a glance
The picks, ranked
Tap any row to jump to the full reasoning. Prices come live from Amazon where we have them and read “check price” where we don’t — never a number we cannot stand behind today.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | The product ThinkFun Gravity Maze Physical, self-checking spatial logic that a child can do alone — and 60 challenges is genuinely 60. | Eight and up, as an excellent second present | |
| 2 | The same idea, wired ThinkFun Circuit Maze Sixty beam-and-token circuit puzzles with real working LEDs, same age rating. | A child who liked Gravity Maze and wants the next one | |
| 3 | The one with twice the challenges SmartGames IQ Puzzler Pro 120 published challenges across 2D and 3D modes in a case the size of a paperback. | Travel, and a longer ladder for less money | |
| — | Not for this age ThinkFun Rush Hour Junior Shelved alongside Gravity Maze and rated three years earlier. | Five to seven |
4 picks, including 1 we tell you to skip. Ages shown are the manufacturer’s own rating, not ours.
What we can tell you, and what we cannot
We have not played it. No lab, no samples, no test children, and no star rating here or in the page’s structured data.
Published challenge counts, component lists, player counts and age ratings we can compare across the whole category. Whether challenge 47 is satisfying or maddening we cannot.
The specification that decides it
The arithmetic
ThinkFun Gravity Maze, published
| Challenges | 60, beginner to expert |
|---|---|
| Contents | Game grid, 9 towers, 1 target piece, 3 marbles, 60 challenge cards |
| Players | 1 |
| Stated age | Ages 8+ |
| Batteries | None |
| Consumables | None |
What the numbers mean in practice
Logic games publish their own ending, and this is a virtue. A challenge count is a manufacturer being specific about how much game is in the box. Treat 60 as roughly 60 sittings for a child who takes them seriously, and rather fewer for one who does not.
One player is the feature. Most good games need a second person. This one needs nobody, which is why it works at the times a parent most needs it to.
No batteries, nothing consumed. The box is as capable in year five as on day one. The limit is interest, not condition.
Who should skip it
Anyone buying the main present. A game that ends is the wrong shape for the biggest parcel. Buy an open-ended construction set as the main gift and this alongside it.
A child under eight. The published rating reflects the spatial reasoning required. Rush Hour Junior is rated 5+ and is the same pleasure three years earlier.
A child who wants company. This is explicitly single-player. For two children, strategy games is the right page.
Where it sits
Gravity Maze appears in the logic puzzles roundup, in games for one player and on the eight-year-old page.
In full
Every pick, and what is wrong with it
Published specifications only, each linked back to the page it came from. Where a manufacturer publishes nothing, the row says so — we do not fill blanks in.
1. The product
ThinkFun Gravity Maze
ThinkFun · 44001006 · maker rates it 8+
Physical, self-checking spatial logic that a child can do alone — and 60 challenges is genuinely 60.
- Challenges
- 60, beginner to expert
- Contents
- Game grid, 9 towers, 1 target piece, 3 marbles, 60 challenge cards
- Players
- 1
- Batteries
- None
ThinkFun publishes 60 challenges, a fixed component list and single player. Every part of that matters.
Self-checking is the quiet strength: the marble either reaches the target or it does not, so a child needs no adult to tell them whether they were right. That is what makes it work on a wet afternoon when nobody is available.
The honest limit is equally clear. The towers can be used freely once the cards are done, but nothing in the box suggests it, so in practice the game ends when the cards do.
Replay signal
- Open-ended or one-shot
- Finite by design — 60 challenges, and a determined child will finish them
- Does anything run out
- Nothing physically runs out, but the challenge cards do end
- Room to grow
- The towers can be used freely once the cards are done, though nothing in the box prompts that
Why we say so: ThinkFun publishes 60 challenges and a fixed component list. Sixty is a real number with a real end, and single-player puzzle games are the category where that matters most — better to know before you buy it as the main present.
What’s wrong with it
Finite by design. A determined child finishes the cards, and nothing in the box prompts free play afterwards.
| Challenges | 60, beginner to expert |
|---|---|
| Contents | Game grid, 9 towers, 1 target piece, 3 marbles, 60 challenge cards |
| Players | 1 |
| Batteries | None |
| Stated age | Ages 8+ |
| Consumables | None |
Every figure above is from ThinkFun, Gravity Maze. Blanks are shown as “not published” rather than filled in.
2. The same idea, wired
ThinkFun Circuit Maze
ThinkFun · 1008 · maker rates it 8+
Sixty beam-and-token circuit puzzles with real working LEDs, same age rating.
- Stated age
- “age 8 and up”
- Players
- 1
- Format
- Beam-and-token circuit puzzles with real working LEDs
- Batteries
- Required (not included)
ThinkFun publishes 60 challenges, age 8 and up, single player, with real LEDs that light when the circuit is correct.
It is the natural follow-on, and it teaches circuits rather than trajectories. Buying both gives a child 120 self-checking puzzles, which is a genuinely good answer to a long winter.
Replay signal
- Open-ended or one-shot
- Finite challenge deck, but the pieces make a real circuit — free building afterward is possible
- Does anything run out
- Nothing runs out
- Room to grow
- Pairs naturally with a Snap Circuits set as the step from puzzle to real components
Why we say so: ThinkFun publishes the 8+ rating, the 60 challenges and the single-player circuit-puzzle format with working LEDs. The pairing with Snap Circuits is our routing advice and is stated as advice, not as a manufacturer claim.
What’s wrong with it
Requires batteries, which Gravity Maze does not.
| Stated age | “age 8 and up” |
|---|---|
| Players | 1 |
| Format | Beam-and-token circuit puzzles with real working LEDs |
| Batteries | Required (not included) |
| Challenges | 60, beginner to expert |
Every figure above is from ThinkFun, Circuit Maze. Blanks are shown as “not published” rather than filled in.
3. The one with twice the challenges
SmartGames IQ Puzzler Pro
SmartGames · SG455 · maker rates it 6+
120 published challenges across 2D and 3D modes in a case the size of a paperback.
- Challenges
- 120, across 2D and 3D modes
- Contents
- Compact board with a transparent lid, 12 puzzle pieces, challenge booklet with solutions
- Players
- 1
- Batteries
- None
SmartGames publishes 120 challenges across 2D and 3D modes, 12 puzzle pieces, a challenge booklet with solutions, and a board that is its own travel case, rated 6 to adult.
Twice the challenge count and a wider age range. What it lacks is theater: Gravity Maze has a marble that visibly falls through a structure, and for many children that is the difference between a puzzle and a toy.
Replay signal
- Open-ended or one-shot
- Finite, but 120 challenges is roughly double what most single-player puzzle games ship with
- Does anything run out
- The booklet ends. The pieces do not
- Room to grow
- The same 12 pieces run 2D and 3D challenge sets, so the difficulty ceiling is well above the entry point
Why we say so: SmartGames publishes 120 challenges across two modes from a single 12-piece set. Twelve pieces generating 120 published problems is the best challenge-per-component ratio of any logic game on this site, and it is the reason this one travels well and lasts.
What’s wrong with it
Less dramatic — no marbles, no motion, nothing to watch happen.
| Challenges | 120, across 2D and 3D modes |
|---|---|
| Contents | Compact board with a transparent lid, 12 puzzle pieces, challenge booklet with solutions |
| Players | 1 |
| Batteries | None |
| Stated age | Ages 6 to adult |
| Travel case | Yes — the board is the case |
Every figure above is from SmartGames, IQ Puzzler Pro. Blanks are shown as “not published” rather than filled in.
Skip this one
ThinkFun Rush Hour Junior
ThinkFun · 76583 · maker rates it 5+
Shelved alongside Gravity Maze and rated three years earlier.
- Challenges
- 40, easy to expert
- Contents
- Ice cream truck, 15 blocking vehicles, 40 challenge cards, travel bag
- Players
- 1
- Batteries
- None
ThinkFun publishes 40 challenges from easy to expert, an ice cream truck with 15 blocking vehicles and a travel bag, rated 5+.
It is the right game three years earlier. Bought for an eight-year-old it is finished in a weekend, and the shorter ladder means it will not be picked up again.
Replay signal
- Open-ended or one-shot
- Finite — 40 challenges
- Does anything run out
- The cards end; the grid does not, and children invent their own jams
- Room to grow
- Steps up to the full Rush Hour at 8+, same idea with harder cards
Why we say so: ThinkFun publishes 40 challenges across four difficulty tiers and a travel bag. Forty single-player puzzles is a school holiday, not a year — which is the honest framing for a gift-buyer.
What’s wrong with it
Forty challenges, the shortest published ladder in the ThinkFun line.
| Challenges | 40, easy to expert |
|---|---|
| Contents | Ice cream truck, 15 blocking vehicles, 40 challenge cards, travel bag |
| Players | 1 |
| Batteries | None |
| Stated age | Ages 5+ |
Every figure above is from ThinkFun, Rush Hour Junior. Blanks are shown as “not published” rather than filled in.
We are not putting a buy button on this one. It is easy enough to find if you want it anyway — but we would rather send you to something that gets played with twice.
Questions people actually ask
Frequently asked
How many challenges does Gravity Maze have?
ThinkFun publishes 60, graded from beginner to expert. Nothing physically runs out, but the challenge cards do end, and there is no published mechanism for generating more — so treat 60 as the real size of the game.
What age is Gravity Maze for?
ThinkFun publishes Ages 8+. The rating reflects the spatial reasoning required rather than small parts. For five to seven, Rush Hour Junior is rated 5+ and asks the same kind of thinking with an easier entry point.
Can two children play Gravity Maze together?
ThinkFun publishes it as a single-player game. Two children can share a box by taking turns on challenges, but it is not designed as a competitive or cooperative game and there is no second set of pieces.
Is Gravity Maze worth buying if it only has 60 challenges?
As a second present, yes — self-checking single-player puzzles are unusually useful and 60 sittings is real value. As the main present, no. A game with a published ending is the wrong shape for the biggest parcel under the tree. Logic puzzles, compared.
Sources
Where these figures came from
Every specification on this page traces to one of these. If a manufacturer publishes nothing on a point, the page says so rather than filling the gap.
Read next
Where to go from here
Back to Reviews, or read how we pick.