All the gears grind, everything grows, once assembled and running you hear a squeak but keep going and then it picks up speed to make a small generator work properly with sound comes with adapters Supplied for different sized plates, but you will need to disassemble the center to change the size of the gear. There is a trick to turning all 3 long screws and screwing them into the speed limiter. Simply turn the gear on the base down and all 3 long screws will start turning to screw the speed limiter top plate into the speed limiter. The hardest part was building the speaker cone. It was like fighting an 8-legged animal.
1000 Piece Mandala Jigsaw Puzzle - Creative Colorful Black Fantasy Bgraamiens Color Challenge Puzzle
17 Review
Dinosaur Puzzle Wooden Jigsaw Puzzles For Kids Ages 3-12, 60 Pieces 2 Pack Boys Girls Gift
23 Review
BeginAgain Butterfly A To Z Puzzle - Educational Wooden Alphabet Puzzle - Kids 2 And Up
12 Review
Mudpuppy Magical Friends 4-In-A-Box Puzzles, Ages 2-5, Each Measures 6”X8 - Chunky Puzzles With 4, 6, 9 And 12 Pieces - Difficulty Level Grows With Child – Beautifully Illustrated Puzzles, Multicolor
16 Review
New Speed Cube Set - 5 Pack Magic Cubes Collection For Kids - Pyramid, Megaminx And More!
37 Review
Get Ahead With Vdealen'S 8-Pack Of Exceptional Speed Cubes! Ideal Gift For Teens, Kids, And Adults On Christmas And Birthdays!
24 Review
Robotime 3D Wooden Craft Kit: Brain Teaser Games Mechanical Gears Set With Cog Coaster And Steel Balls - Best Building Toys For Kids
47 Review
ROBOTIME 3D Wooden Puzzle Mechanical Gear Clock Owl Model Kit For Teens & Adults - DIY Building Set
36 Review