Models CUBETRIX IDEX ( DIY Sigma BCN3D Style 3D printer ) 250 1415 36 Self powered bicycle lights systems ( Eco Bike ) 23 103 7 Bicycle claxon from an old fishing rod bite alarm bell 10 24 4 Universal Clipless Pedal And Shoes (Magnetic System) 19 37 3 CUBETRIX diy corexy 3D PRINTER 256 1764 8 Puzzle cube 21 90 2