Stirling Engine Model Physical Motor Power Generator External Combustion Educational Toy
Stirling Engine Model Physical Motor Power Generator External Combustion Educational Toy
Perfect packaging, the engine worked on the first try.
It comes with one RGB fast included which put a little of coluor in this great ingenious toy. Excellent chrome and product finish with a very competitive price.
Work perfectly, up to 3v generator with led connected. Noisy, but hight speed.
bien reçu pas de casse il fonctionne bien
ok
Commandé le 27octobre, reçu le 9décembre (transit d'un mois en suède !!). Très Bon emballage (carton et papier bulle). Article conforme et testé.
Very cool! My daughters love it and I hope it inspires them further into science and engineering!
لم يتم استلام الطلب
Very happy with purchased. It feels solid, works well. Came with a spare tube and with the led attached already.
Buon prodotto, qualità/prezzo giusta. Imballaggio ottimo.