Felan's ThinkFun Expansion Kit

Hello Thingiverse.
As Contribution to the Thingiversity Fall STEAM Challenge and my first entry ever I proudly present to you my own ThinkFun expansion Kit.
~ta-da~
Features
- 2 "roap-ready" Wheels (I hollowed the surface in order to build a transmission belt)
- 2 "Cardboard-to-ThinkFun-Adapters"
- Imaganery Sparkels
- More to Come (for example Pipe Connector, Tank Connector)
Bonus: Reading Mark