Dodocase has the Google Cardboard Virtual Reality Toolkit for $17.95 (19.95 – 10% coupon) for a limited time. Shipping adds $4. To get discount, use the coupon code: BXDD7282 at checkout. An optional NFC tag is also available for an additional $5.

This toolkit is all the pieces you will need to assemble your very own Google cardboard VR goggle (minus the smartphone). It includes pre-cut cardboard, lenses, magnet, velcro, and a rubberband. There is high demand so order soon, and please allow 4-6 weeks for delivery.