+ Downloads & Extras:

+ A video of Arvind Gupta's office

+ +

Toy Links

Matchstick Meccano
Photos and text
Video

CD Top - Newton's Color Disc
Photos and text
Video

Magnetic Levitating Pencil
Photos and text
Video

Touching Slate
Photos and text
Video

Join the conversation -- every MAKE article has an online page that includes a place for discussion. We've made these RSS and Atom feeds to help you watch the discussions: subscribe.