Homemade glue

Liem has to make a hat for this year's Easter Hat Parade at school. This year they have to make their hat at home. We bought a party hat for him to decorate...he got out the hat, the decorating stuff...then, we realise we have no glue. The craft glue we used last year had dried up, the sticky tape didn't stick, the glue stick glue wasn't sticky enough...what to do, what to do...

Well, why don't we make our own glue! First go using cornflour and water - too runny and not sticky enough. Second go using tapioca flour and water - perfect!