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Light Bulb - Eureka! The Biography of an Idea (Eureka! The Biography of an Idea)
Precio habitual $5.99 USDPrecio habitualPrecio unitario por -
Light: The Extraordinary Energy That Illuminates Our World (Spectacular Science)
Precio habitual $18.99 USDPrecio habitualPrecio unitario por -
Listen Up! - Alexander Graham Bell's Talking Machine (Step into Reading)
Precio habitual $5.99 USDPrecio habitualPrecio unitario por -
Maker Girl and Professor Smarts (Maker Girl and Professor Smarts)
Precio habitual $12.99 USDPrecio habitualPrecio unitario por -
Maker Girl and Professor Smarts (Maker Girl and Professor Smarts)
Precio habitual $19.99 USDPrecio habitualPrecio unitario por -
Maker Girl and Professor Smarts: Beware the Evil Lair (Maker Girl and Professor Smarts)
Precio habitual $12.99 USDPrecio habitualPrecio unitario por -
Maker Girl and Professor Smarts: Beware the Evil Lair (Maker Girl and Professor Smarts)
Precio habitual $24.99 USDPrecio habitualPrecio unitario por -
Masked Hero - How Wu Lien-teh Invented the Mask That Ended an Epidemic
Precio habitual $18.99 USDPrecio habitualPrecio unitario por -
Nerdlet: Tech (Nerdlet) (Book:2)
Precio habitual $9.99 USDPrecio habitualPrecio unitario por -
Nick and Tesla and the High-Voltage Danger Lab - A Mystery with Gadgets You Can Build Yourself (Nick and Tesla) (Book:1)
Precio habitual $8.99 USDPrecio habitualPrecio unitario por -
Nick and Tesla and the Robot Army Rampage - A Mystery with Gadgets You Can Build Yourself (Nick and Tesla) (Book:2)
Precio habitual $8.99 USDPrecio habitualPrecio unitario por -
Nick and Tesla and the Secret Agent Gadget Battle - A Mystery with Gadgets You Can Build Yourself (Nick and Tesla) (Book:3)
Precio habitual $8.99 USDPrecio habitualPrecio unitario por -
Nick and Tesla and the Super-Cyborg Gadget Glove - A Mystery with Gadgets You Can Build Yourself (Nick and Tesla) (Book:4)
Precio habitual $8.99 USDPrecio habitualPrecio unitario por -
Nick and Tesla's Robot Army Rampage - A Mystery with Hoverbots, Bristle Bots, and Other Robots You Can Build Yourself (Nick and Tesla) (Book:2)
Precio habitual $12.95 USDPrecio habitualPrecio unitario por -
Nick and Tesla's Secret Agent Gadget Battle - A Mystery with Spy Cameras, Code Wheels, and Other Gadgets You Can Build Yourself (Nick and Tesla) (Book:3)
Precio habitual $12.95 USDPrecio habitualPrecio unitario por -
On the Brink of Utopia - Reinventing Innovation to Solve the World's Largest Problems (Strong Ideas)
Precio habitual $29.95 USDPrecio habitualPrecio unitario por
