Are you looking for STEM challenges to do with a camping theme? Can your team transport 10 large marshmallows in the fastest time using a zipline? Marshmallow Zipline Challenge Materials Needed: (per team) -small plastic bathroom cup (1 per team) - large marshmallows (one bag of the 10 marshmallows per team) - string or yarn (for the zipline and cup attachment) - straw (one per team) - timer - tape and scissors This a really fun STEM Challenge that gets kids working to complete a fun and difficult challenge, student teams must transport 10 large marshmallows in the fastest time using a zipline. *This challenge is also part of a larger Let's Go Camping STEM Challenges Pack.