Are you stress resistant? Build your own stress tester with this set of 4M KidzLabs.

The set has detailed instructions to help you build your own stress tester.

Pass the entire digestive system with a special pen. Start at the mouth, along the stomach, up the intestines to the toilet. Make sure you reach the toilet without hitting the edges and setting off the alarm!

Dimensions: 16,5 x 21,5 x 6 cm

This game runs on 1 AAA battery, it is not included.

From 8 years of age