Amazon has Thames & Kosmos: Buildable Robotic Wall-Crawling Gravity Bugs MicroBot (STEM Toy w/ Lessons in Air Pressure, Suction, Hands-on Physics & Engineering Construction Kit) for $4.88. Shipping is free w/ Prime or on $35+.
Walmart also has Thames & Kosmos: Buildable Robotic Wall-Crawling Gravity Bugs MicroBot (STEM Toy w/ Lessons in Air Pressure, Suction, Hands-on Physics & Engineering Construction Kit) for $4.88. Shipping is free w/ Walmart+
Product Description from Amazon
- Build a gravity-defying robotic bug that can climb smooth surfaces!
- Conduct simple physics experiments with air pressure and suction.
- Durable, easy-to-assemble plastic building system.
- Compact design is fun and functional
- An eight-panel, full-color manual guides model building with step-by-step illustrated instructions and assembly and troubleshooting videos are available online.
- The Toy Association’s 2022 Construction Toy of the Year finalist!