I am looking for some fun activities for my 3yr old autistic nephew for the week. Do you have any ideas?

Update: He is verbal to some extent. It is really hard to understand him. He does use sign language though.
Update 2: My sister would kill me, if I gave him playdough, after the last incident.
Update 3: He has a problem with loud noises. It causes him to throw temper tantrums and/or spin in circles.
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