Amazon has the Nerf Dog Compact Tennis Ball Blaster for $15.50 - 15% off with coupon (Clip Coupon) = $13.17 with free shipping on $25+. Features re-load hands-free, adjustable power, shoots tennis balls 50 feet into the air.
Amazon has the K'NEX Thrill Bionic Blast Roller Coaster w/ Ride It App Building Set (34048) for $43 with free shipping. Set Includes 809 pieces with a cardboard VR viewer. Has good Amazon Reviews.
Has good Amazon Reviews.
Amazon has the Craft-tastic Yeti & Snowflake String Art Kit (CT1953) for $12with free shipping on $25+ or with Prime. It features an adorable yeti and sparkly snowflake. Kids can even design their own patterns. #1 Best Seller in Felt Applique Kits.
Has excellent Amazon Reviews.