Does this toy compliment Learning Resources Gears! Gears! Gears! Super Set??

Yes, it can be used with any number of Learning Resources Gears sets.

How many cranks come in this set?

Hello, Set Includes: 4 peg adapters, 11 small gears, 5 medium gears, 4 large gears, 7 small bases, 4 medium bases, 3 large bases, 6 six-way axles, 8 pillar connectors, 9 large pillars, 12 small pillars, 1 crown gear, 2 T-connectors, 2 angle connectors, 2 spring connectors, 1 propeller and 1 crank.

Is there a parts list for this product?

Not needed. Bought for grandson at age 3; now at 9, he still finds inventive, imaginative uses for all the parts, & all those included in his Gizmos set, which are interchangeable. Confused about why anyone need to know about a parts list!

Where can I buy sring connector replacements? They broke.

Unfortunately, we do not stock replacement parts. Feel free to reach out to us on our Learning Resources site under our "contact us" page with any other questions you may have.