LEGO Set 6578 Polar Explorer Arctic Theme 2000 Complete w/Instructions (No Box) | eBay
LEGO PART 6578 Tyre 30.4 x 14 VR | Rebrickable - Build with LEGO
LEGO part 2994c01 - White Wheel 30.4 x 14 VR, with Black Tire 30.4 x 14 VR Balloon (2994 / 6578) at BrickScout
LEGO Set 6578 Arctic Figurine - Etsy
LEGO 6578 Polar Explorer Set Parts Inventory and Instructions - LEGO Reference Guide
LEGO 7101 Lightsaber Duel - Etsy
LEGO Part 2994c01 Wheel 30.4 x 14 VR, with Black Tire 30.4 x 14 VR Balloon - 2994 / 6578 (Light Bluish Gray) | iBricktoys: LEGO shop guide and database