It's a great unique and creative gift for puzzle lovers which encourages visual spatial reasoning skills. This marble run pack contains everything you need to make this stunning model.

It is a manual toy and functions when the handle is turned. Feeling tired? Switch to the motor setting and watch as it'll function on its own!

This 3D wooden Mechanical Clockwork Puzzle takes approximately 4 hours to complete.

Assembled it measures approx: 255 x 235 x 175mm

Contains: 342 pieces including marbles. No glue needed

Suitable for ages 14+

Skill rating: 4/5