--This is a post by my 11 year old brother--
A "really cool comet" made of Knex that you can throw like a foot ball outside, or even a Knex flower by taking the rubber band of the tail (if the imagination allows).
24 Tiny connectors
8 Flexible connectors
16 Green 135Âº pieces
2 White 360Âº pieces
1 Rubber band
Step 1: First Step
Take the white circular piece and attach the eight (8) short connectors to it. On those, attach the eight (8) 135Âº green pieces.
Now, on ONE of the halves, attach the eight (8) short connectors (as shown in the first two pictures), and then put the two halves together (shown in third picture).