LOTS of Discovery Bottle Ideas==liquid and dry content discovery bottles were a huge hit for more than twenty years in my home preschool/daycare. Hint: superglue the lids! Most eventually try to open the bottle.
Milk-Carton Pots Milk cartons used as molds create cube-shaped hypertufa vessels, each sized for a single succulent. The tint variations are achieved by mixing in masonry stains. Milk-Carton Pot How-To
Glass Beads Dance in Your Garden It's hard not to smile when you see these sparkling Dancing Garden Jewels bobbing and swaying in the breeze. The multicolored glass beads are strung on flexible, stainless steel wires. "Plant" them anywhere in your garden.
Outdoor tic tac toe using stone tiles and rocks. I would make a small garden for the kids and have this in it. Cute decor when the kids aren't playing with it. Great for when the mom is at work and the kids want to play