HP Robots - Otto Expansion Invent - Builder Kit Screen-Free These double-depth trays are perfect

These double-depth trays are perfect for larger toys or PE gear

and collaboration

automation

1x Zero Parameter TagTile

this smart robot appeals to children and families of all interests

HP Robots - Otto Expansion Invent - Builder Kit Screen-Free These double-depth trays are perfectOtto Invent Expansion Kit is designed to take the Otto robot to the next level, transforming it into multiple walking mechanisms and imaginative devices. It's your gateway to endless creative learning and is fully compatible with building bricks. This kit allows you to create advanced mechanisms to make Otto walk, dance, or roll race. You can transform Otto from its original biped form into various configurations, including a wheeled robot, a four