The Imagination Tree: DIY Rain Stick - Make a rain stick using recycled materials and things from around the house. A fantastic musical instrument for young children that sounds just like falling rain!
Turn playtime into a calming aromatherapy session for kids with aromatherapy play dough! Never would have thought about this, make one for calming down and one for waking up (for after daycare when he's sleepy).
Thrive 360 Living: Five Easy and Fun Toilet Paper Roll Kid Activities. Double sided sticky tape, origami papers (or paint) toilet paper rolls, imagination and you're on your way to five for childrens learning fun!