A difficult puzzle, with 150 small pieces, very small. A real challenge to make the most ingenious of the house play. An engineering work so small that it fits in a test tube.
* Number of pieces 150
* Dimensions 18 x 23 cm.
* Material Recycled cardboard and paper
* Tube Diameter 2.5 cm. Height 16 cm. 40g
* Advanced difficulty level

