That's Gross Science Lab by Smart Lab LEGO Foam Inserts and Black Wheels

Foam Inserts and Black Wheels _ SPECS: Wheels: 2

take aim at Baxter and send him falling into the vat below

and loose or hard-packed soil — and in wet or dry conditions

FEATURES: One truck body for the Revo 3

swap and mix this model with other compatible LEGO® l Disney toys to build your own dream creations

That's Gross Science Lab by Smart Lab LEGO Foam Inserts and Black WheelsChemistry has never been this gross or fun! Featuring a motorized toilet bowl mixer with real flushing sounds and a gross tastic lab book packed with 26 super gross experiments including "Foaming Flush," "Snot Slime," "Potty Putty," and "Stink Bubbles" the gross out fun will last for hours! Click here to check out a video of the Gross Science Lab in action! Components: Motorized toilet bowl mixer with flushing sounds Garbage can shaker 'Biohazard' cup