Plastic Base

Price: $2.67

Location: Home Depot

Model number: C4851HD43

Internet number: 100344349

Link:

https://www.homedepot.com/p/4-in-x-3-in-PVC-DWV-Closet-Flange-C4851HD43/100344349?MERCH=REC-_-PIPHorizontal3_rr-_-100345759-_-100344349-_-N

 

Single Bocce Ball

Price: $9.95

Brand: Sportcraft

Size: 110mm or 4.5 inches

Link: https://www.ebay.com/i/123690613311?chn=ps

 

Any wooden or plastic slide

Price $3.48-$5

Size: approximately 6 x 3cm

Location: Home depot can cut these for you for $5

or

Link: https://www.amazon.com/Darice-Rectangle-Wood-Pieces-Unfinished/dp/B0196XND0K/ref=sr_1_3?keywords=small+piece+of+wood&qid=1554068395&s=arts-crafts&sr=1-3 

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Material for Tympanic membrane (we used newsprint or tracing paper)

Price: $5.09

Link: https://www.officedepot.com/a/products/341669/Pacon-Plain-Newsprint-8-12-x/

 

Tympanic membrane print out 

Price: free and included (click doc to the right)

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Or

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Tympanic membrane customized stamp (if using a material that does not feed through a laser printer like tracing paper)

Price: $9.00

Link: https://www.vistaprint.com/studio.aspx?project_id=6858e66a-5bd7-41ec-badf-e03467c26f70&ag=true