It’s tough to numerically pinpoint which days of CES are which. If you’re in the tech media, Monday’s really the first full day of CES, but you show up on Sunday (or earlier) because there are a few things on Sunday; if you’re a tradesperson, Tuesday’s really the first full day of CES. Actually, Tuesday is the first official day of CES, seeing that the show this year runs from January 7 to January 10. January 7 is the first day the show floor is open.

A lot of stuff happens before the show floor opens, though, and Monday is the first full day that a bunch of stuff is officially scheduled starting first thing in the morning and stretching well into the night. In that spirit, I’ll refer to Sunday as Day Zero and you can wonder why you just read two entire paragraphs worth of nonsense.

(MORE: CES Roundup: 25 Cool Gadgets (and Cars!) from Monday at the Vegas Tech Show)

Here’s a look at some of the things spotted on Sunday (click the link below each image or video to read more about each gadget):

Robyn Beck / AFP / Getty Images

This Connected Bluetooth Toothbrush Will Nag You More Than a Dentist [Gizmodo]

Ethan Miller / Getty Images

Lenovo unveils over 15 new devices, including convertible tablets and a carbon fiber ultrabook [The Next Web]

[youtube=http://youtu.be/GkJ5PupShfk]

Nvidia Debuts 192-Core Mobile Chip, the Tegra K1 [Re/code]

Bloomberg / Getty Images

Gaming exoskeleton to pair with Oculus Rift headset at CES 2014 [CNET]

[youtube=http://youtu.be/dLfPKrhwCCM]

Your Most Bourgeois Bits Belong Inside This $490 Silver-Plated Data Ball [Wired]

Bloomberg / Getty Images

DJI’s Phantom 2 Vision Makes Aerial Photography Easy [TechCrunch]

Robyn Beck / AFP / Getty Images

Dacor’s smart oven range lets a smartphone control your stove [The Verge]

Robyn Beck / AFP / Getty Images

This Trewgrip backwards keyboard gives you an absurd new way to type [Gizmodo]

Joe Klamar / AFP / Getty Images

Here’s a WiFi-enabled Russian Doll that’s designed to replace your Mother [Engadget]

Ethan Miller / Getty Images

Squeezing this exercise device is the strangest way to play ‘Jetpack Joyride’ [The Verge]

Ethan Miller / Getty Images

Liquid Image Ego LS Action Camera Has 4G for Instant Bragging Rights [Gizmodo]

Ethan Miller / Getty Images

Orbotix announces next-gen robot toy Sphero 2B, coming this fall [The Next Web]

Bloomberg / Getty Images

Parrot reveals new affordable flying drone and two-wheeler built from the AR.Drone [The Verge]

Robyn Beck / AFP / Getty Images

Holi lamp lets you set the mood with your iPhone [The Verge]

Bloomberg / Getty Images

June by Netatmo: Connected Bracelet with Jewel UV Sensor [Ubergizmo]

Joe Klamar / AFP / Getty Images

This Magical Tech Could Make Mobile Keyboards Suck Way Less [Gizmodo]

Other cool stuff not pictured:

MORE: Check out TIME Tech’s complete coverage of CES