Mormor left these sandbakkelse molds with us on her last visit. I haven't used them yet, but that hasn't stopped New Kid from using them for stacking practice. He's hard at work practicing his fine motor skills!
Granted, most people don't have sandbakkelse molds, but be on the lookout for similar items from your kitchen that would work for your toddler: measuring cups and spoons? prep bowls? plastic cups?