Mudwatt Classic Kit, Right or Left Handed: Fits Either Hand, track the growth of your electric bacteria colony with the blinker circuit and MudWatt Explorer App
Sail Car Activity single, Design and engineer a vehicle that is propelled by the wind, activity is perfect for early elementary, The Sail Car design allows students to quickly and easily experiment with sail shape, angle, and placement, furthest distance, travel the fastest
Sail Car Activity, Design and engineer a vehicle that is propelled by the wind. This activity is perfect for early elementary. The Sail Car design allows students to quickly and easily experiment with sail shape, angle, and placement, furthest distance, travel the fastest