The model consists of inner and outer rotating balls. The wind-up rubber-band engine inside the model makes the ball move round the axis in the opposite directions.

The mechanical functions are realized with rubber bands and especially gears and allow each model to come to life.

Now you have something more captivating and ecological than Newton's cradle to put on the table in the office.

Enhance your creativity and Imagination, Hand and Eye Co-Ordination, Motor Skills, logical reasoning, Spatial Skills, General Knowledge of Mechanical and problem-solving skills with this relaxing hobby during your spare time.

3D LASER CUT WOOD PUZZLES: Made from Eco-Friendly birch plywood, this mechanical model is a puzzle you build by fitting laser cut pieces together with no messy glues or adhesives required.
MECHANICAL MODEL: The model consists of inner and outer rotating balls. The wind-up rubber-band engine inside the model makes the ball move round the axis in the opposite directions.
FUN FOR ADULTS & TEENAGERS: Adults, teens and older kids love the challenge of model building, and kids can learn about gravity, gears, design, and engineering concepts as they build!
EDUCATIONAL TOY: develop your creativity, logical reasoning and problem-solving skills with this calming hobby. Parental assistance for kids under 14 recommended.
INDOOR ENTERTAINMENT: The complexity of this set brings people together and provides hours of amusement for everyone. A great family activity, this puzzle is engaging, fun, and exercises your mind!

Technical Specs:

Material: plywood

Assembled Model Size: 161*132*251 MM

Assembled Model Weight: 262 Grams

Construction Package Size: 245*188*30 MM

Construction Package Weight: 810 Grams

Number of Pieces: 205

Recommended age: 14 years and over

Assembling without Glue and No Batteries Required.

EWA Eco-Wood-Art Kinetic Globe l Wooden 3D Puzzle DIY Mechanical Kit