HP Scientific Calculator (10s) Once children build the kit

Once children build the kit

and x1/x10 switchable

Thin throat and flush rivet size for improved access

Please refer to the instructions that came with your rocket (or the rocket's product description) to determine engine compatibility

2 magnetic stoppers

HP Scientific Calculator (10s) Once children build the kitSolar and battery powered View equations and results at the same time on large 2 line x 10 character LCD screen Decimal point selection allows you to fix the number of decimal places ideal for beginning learners Solve math and science problems quickly and easily using over 240 built in functions Work smarter and faster with one positive and negative sign change key, percentage key and pi key