Pinewood Derby - Polyurethane as Wood Sealer?

I'm preparing for a Pinewood Derby for the young boys at our church, and getting supplies together, so I can help those boys that may not get the support at home, to build their cars. I'm also

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2008 Pinewood Derby Car (step 7, sanding sealer), Pine Pro …

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Seals the wood pores and helps maintain an allergy free environment Adds depth and clarity to the wood grain Scrub and mar resistant User Friendly –

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Polycrylic and polyurethane both seal and add a shine to wood but