This product was $120 at launch. It's now $7.99 after coupon NEWYEARS20 at Toys R Us. Shipping free over $29 or free store pickup where available. I bought several to give out for the kids' friends' birthdays throughout the year. Not worth the original $120 sticker, but an unbelievable amount of tech for just $7.99.
If you're buying this for your own kid, here are additional accessories for this starter pack that are similarly deeply discounted (originally $20-$120). Note that many of these are in-store pickup at select stores only, but it's worth checking out if they are available at a store near you.