Design Your Own 3-D Teepees. Decorate a 3-D teepee! These easy-to-assemble cardboard teepees are a fun craft project for kids of all ages. Includes 144 wooden 12 1/2 sticks. Add your own paint and decorations for the best teepee on the block. Finished project 8 x 8 x 9. OTCAge RecommendationAges 5 & Up Containing medium-sized pieces with ...