ThinkFun Gravity Marble Logic Game
- Enhances spatial reasoning and planning skills.
- Combines logic game, marble run, and STEM toy.
- Includes 60 challenges for varying skill levels.
- Perfect gift for boys and girls age 8 and up.
- Features a game grid, towers, target, and marbles.
- Easy to learn with clear instruction manual.
- Trusted by families worldwide with 50 million sold.