Mastermind Toys

Gravity Maze Builder

Gravity Maze Builder - Main image
$20.12 $32.99 In stock

Category: Puzzles

FOR KIDS

Arranging towers into a variety of structures to build a path that carries your marble straight to its target is an exciting challenge! Whether you play all on your own or with small groups, you can tackle 60 different challenges ranging from beginner to expert without needing instructions or adult assistance.

FOR PARENTS

A falling marble logic game that combines a marble run and logic puzzle all in one, designed for players and builders of all ages. It features 60 challenges ranging from beginner to expert that build spatial reasoning and planning skills, making it just as fun for a single player as it is for small groups.

WHAT’S INSIDE

  • 1 game grid
  • 60 challenge cards
  • 9 towers
  • 1 target piece
  • 3 marbles
Check your selection

Confirm your chosen option and quantity before paying.

Delivery timing

Check the estimate before ordering for a particular date.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
Refund enquiries

Contact the store with the order number and item you are asking about.

Please contact us for the refund processing timeframe before returning an item.

View policy
Shipping charges

Review the charge for your selected delivery service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Planning a return

Contact the store before returning an item; the policy below applies.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (5.0 / 5 · 3 reviews)

Adam Z. ★★★★★

My kids keep coming back to this puzzle every afternoon, trying to beat each other’s marble path designs. The open-ended tower arrangements really let them test different angles and heights, and it’s just challenging enough to hold their attention.

Christopher V. ★★★★★

The way the towers click together feels really sturdy, and my kids love experimenting with different layouts to guide the marble. We've been playing it every evening since it arrived, and it keeps them focused without any screens.

Jacob F. ★★★★★

My 8-year-old spent over an hour figuring out how to arrange the towers to get the marble to the target, which is a rare feat for his attention span. The challenge level is just right—hard enough to make him think, but not so hard he gets frustrated. We've already played through half the included pu