Learn about simple electric circuits, gears, and other mechanisms as you construct the motorized model from durable plastic building pieces. When you place a metal coin in your dragon’s mouth, the wings flap and the jaw snaps shut as it automatically gobbles up the tasty treat. 

The full-color experiment manual provides clear step-by-step assembly instructions and explains how the inner workings turn an electrical signal into movement. Your coins stay stored in the treasure chest until you’re ready to spend — just release the clasp to open the door and watch your treasure pour out!