You'll need some regular size, but not the jumbo, thick popsicle sticks.
Craft Sticks
Keep out of reach of children! If you've got little helpers, make sure you're in charge of this step.
X-Acto No.1 Knife with Safety Cap for Cutting and Trimming, 1 Count
Part of the fun is picking your color for the sled! You can make multiples and have them all look the same, or make each one a unique color depending on who it's going to. You only need regular craft paint, but having a set on hand like this one mean...
Fantastory Acrylic Paint Set 36 Colors(2oz/60ml) w/ 12 Brushes, Pro Craft Thick Paint Kits.
Don't forget to pick up some extra glue sticks too!
Gorilla Glue Dual Temp Full-Size Hot Glue Gun
Pay attention to the size and type to make sure you're getting the right option for your glue gun.