As a fun Ramadan activity you can paint and decorate our wood ornaments.
Use any type of paint suitable for wood, and depending on how much work you want to put into it, you can sand them (remember to wipe afterwards) , use primer before painting and afterwards use a sealer/ top coat for protection.
For the stars below we just used spray nothing else:
When the paint was dry our little helpers decorated the stars with glitter and stickers:
Try to explain 'less is more' to a 4 year old: