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
Engineer-it Kit Refill, individual, is the basic Engineer-it Kit without any DNA, Cells, used for completing more genetic engineering practice tries if you still have cells and DNAculturing cells that you have alread
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