Real Madrid have signed a GIANT in 15 year-old Alex Craninx.

The 15 year-old joins his new teammates at Real Madrid C today after signing from Marbella's youth team.

Craninx has a Belgian family background and at just 15 measures 1.91 metres tall - and is still growing!

"I tested one week in Madrid. I went with my brother and they treated me great. They even gave me tickets to go see the game against Ajax. I'm very happy," said Craninx.

The youngster moves to Real for an initial €3,000, with €60,000 due if he plays for the Castilla and €300,000 if he makes it to the first team.