Washable Sidewalk Chalk 3D Activity Set: Toy Story. Create your own amazing effects with bright, bold, Crayola 3D Sidewalk Crayons and Chalk. It's easy to create eye-popping art and scenes. Just use the stencil shapes for outlines, then fill in the shapes, and wear the included 3D glasses to view the cool effects! This set contains 16 Sidewalk Chalk Sticks, 5 Sidewalk Chalk Crayons, 1 pair of 3D Glasses, 3 Jumbo Stencils featuring Characters from Disney's Toy Story, and one How to Book. Conforms to ASTM D4236. Recommended for ages 4 and up. WARNING: CHOKING HAZARD - small parts. Not for children under 3 years.