knutsel: stoomboot Boat Craft-- self propelling water boats made from butter tub and yogurt cup.
Summer Learning with PBS Kids - Imagination Soup Imagination Soup Fun Learning and Play Activities for Kids
Design Your Own Penny Boat to see how many pennies your boat can hold! Generate multiple solutions to a design problem and make a drawing (plan) to represent one or more of the solutions.
20 Educational Summer Boredom Busters - Happiness is Homemade