Little Labs Boats and Buoyancy 1/4-20 holes pre-drilled and tapped

1/4-20 holes pre-drilled and tapped for accessory attachment Nonskid pads 6

for demonstration purposes

PVC insulation resists water

9999 counts

which delivers stable

Little Labs Boats and Buoyancy 1/4-20 holes pre-drilled and tappedLearn why some things float while others don't Learn what buoyancy means Learn how propellers and sails work Original best selling series Little Labs Learn why some things float while others do not, what buoyancy means, and how propellers and sails work by building different boats and watercraft. 16 page color guidebook. Product Dimensions (L x W x H): 201 x 3. 1 x 61 inches Product Weight: 1 LB