On-screen activities

In this challenge, children interpret clues left around the Chart Idol computer and input information drawn from the evidence into a database on the website, enabling them to identify the saboteur.
The criminal's shoe size is between 40 and 45.
The criminal likes octagons.
The criminal has red hair.
The criminal is 1.7 m tall to the nearest 10 cm.
The criminal likes jelly beans.
The criminal was born last millennium.