The Chew Stixx Pencil Topper is an extremely durable, excellent oral motor stimulant and sensory hand fidget toy .Research shows that students with anxiety, sensory issues, ADHD and Asd can concentrate better when they are allowed to fidget and chew. The Chew Stixx Pencil Topper when used properly, provides a safer chewing alternative to clothes, buttons, zips, pencils etc. Available as a pack of 2, one Pencil Topper is smooth whilst the other is textured to simulate the ever changing textures of food. Push the Pencil Topper onto any standard #2pencil until eraser/end of pencil is flush with the open end of topper. This will require heavy pressure to correctly install the Pencil Topper and minimize choking harzard.Each color is sold separately and comes with a slight scent that enhance the stimulation and child calming function.Green-SpearmintPurple-GrapeYellow-LemonAdditional info:Made in the U.S.A, PBA free, F.D.A.approved.Dimensions: 3cm x 1cm x 1cmRecommended for Ages 4years+ with adult supervisionDiscard at first sign of wear or damage.Clean gently with soap and warm water.