Completely firmly welded together sketching foil with to two magnetic flaps for fixing the paper and stop bar for the paper. Very stiff implementation like the folder, but without lid. To use with single sheets, size DIN A4.

Python pour la carte micro:bit SNT Lycées - Mathématiques - Sciences Julien Launay Collection: Serial makers 19 septembre 2019 Une carte ludique pour apprendre à programmer. Deux fois plus petite qu'une carte de crédit et coûtant moins...

Turing Tumble is a new type of game where players (ages 8 to adult) build mechanical computers powered by marbles to solve logic puzzles. Use ramps, crossovers, bits, interceptors, gears, and gear bits to build marble-powered computers...