Build your own Birdhouse Kit, Teachers, this is a great and affordable way to get your kids Design, Building while creating something practical and at the same time beneficial for the environment, Perfect size for a chickadee or finch, Comes unpainted, Assembly required
Deluxe Hydraulics Class Pack, Perfect for use in studies of levers and simple machines,design and technology units,engineering and invention units,fluid studies,science fair activities,engineering Design Process units.
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