Movement & Forces: Flipper Dinger (AIR)
kindwaldundewiese features an all natural handmade toy called The Flipper Dinger, which demonstrates air force. It basically looks like a corncob pipe, using two sized branches (we ended up using sturdy hollow grasses for the 'straw') an acorn cap and a wooden bead. It takes a little messing about to get it all right; sizing your sticks and drilling appropriate holes.
You can test beads of various sizes for competition!