Vintage 2001 Mattel Hot Wheels Children Sleeping Bag RARE Blue Car Cozy Camping. This is such a great vintage hot wheels sleeping bag. The perfect gift to share with your own child or nephew/niece. This makes memories come back of past movie days at school where you got to bring a cozy blanket to cuddle or just watching tv in your cozy sleeping bag on a rainy day. This is in great pre-owned condition and please review all photos and ask any questions.