This is a really simple activity to do with your toddler, T was coming up to 2 when we did this activity (last year) and he loved it, I'm pretty sure he'd love it just as much this year too!
I started by filling a dip plate up with things to stick on the tree, beads, sequins, buttons, pom-poms and table confetti.
I then glued contact paper to the cone and cut off any excess.
I gave T free rein to add the decorations on as he wished, he started off gently applying each one individually and lovingly, this lasted about 5 minutes then he started to get handfuls and applied the decoration that way.