Cozy up and be merry with Crazy Aaron's(r) Holiday Collection! You'll find all the festive fidgets including themed Thinking Putty(r), Slime Charmers(tm), Land of Dough(r) products, and even a Crazy Aaron's(r) Advent Calendar! 24 days of Thinking Putty® surprises await you with this Crazy Aaron’s Advent Calendar. You'll create a brand new holiday putty every three days as you uncover mystery Thinking Putty(r) , bags of fun mix-in pieces, and even surprise holiday charms to complete your putties!