All you have to do is release the frame by separating the two pieces of wood. Try using one hand and a smooth surface!

The idea behind this puzzle was discovered centuries ago and its application is widespread and familiar.

Take the X apart and put it back together. Don't be tempted to think this is an easy task.

A clue to the solution is found in one of the physics lessons you took.

Packaging: PVC

Level: 3

Weight: 139 g

Size: 140 *80*145 mm