Here is an article by Amanda Morin (n.d.) from a research-based website, Understood.org. It describes what is heavy work and why those activities are so beneficial for children with sensory processing issues.
This video clip shows through adding scents through spices or herbs into paints or water to engage in a fine motor or sensory activity, you can provide calming or alerting sensory input for your student. (Generally, calming spices include cinnamon, nutmeg, curry, & vanilla. Alerting spices and herbs include ginger, mint, and cloves. Before incorporating these scents into an activity, together with your child smell these and observe the reaction. You want to make certain that if you are trying to have your child calm his or her body that you know that these are truly calming. Everyone is different.
Several children of all ages love cars! This activity combines this interest with age appropriate engineering challenges. The four videos below provide some suggestions on how to structure this activity, but let your child experiment. You will be surprised with the complexity of their inventions.
This video clip is for parents and caregivers to create a sensory play activity with a balloon and a coin (dimes or pennies work best). Parents and caregivers should closely supervise their child anytime they are using balloons. Only use balloons with your child if they are NOT allergic to latex. It is difficult to find latex-free balloons appropriate for this activity.
This recipe was found: https://www.abc.net.au/abckids/shows/play-school/recipe/uncooked-play-dough/11256674