It's a really neat set. Would have loved to have a set this complete back when I first got into RC Airplanes and Rocketry back in 1977.
I missed out on a Xacto #99 three-panel Super set about 2mos ago on ebay.
It went for somewhere around $400.

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When in doubt, WHACK the GAS and DITCH the brake !!!

Yes, there is such a thing as NORMAL, if you have to ask what is "NORMAL" , you probably aren't !
Failure may not be an OPTION, but it is ALWAYS a POSSIBILITY.
ALL systems are GO for MAYHEM, CHAOS, TURMOIL, FIASCOS, and HAVOC !