Toys, games and playthings, namely, dinosaur skeleton model kits and human skeleton model kits; childrens' hobby science experience kits, namely, chemistry sets, physics sets, electronics sets, electricity sets and scientific sets featuring telescopes, microscopes, kaleidoscopes, bug viewers, film viewers, binoculars, compasses, water filter columns, color mixing kits comprising test tubes and color-liquids, simulated volcanic eruption kits comprising plastic volcano models, citric acid, and sodium bicarbonate, blood test kits comprising pipettes, goggles, potassium thiocyanate, iron III chloride, and sodium thiosulphate, metal etching kits comprising etching solutions, aluminum foils, key rings, tweezers, goggles and masks, crystal growing kits comprising magnifying glasses, crystal growing powder, containers for crystal growing, stirring rods and magnifiers, toy electric shock wire making kits, do-it-yourself scales, do-it-yourself electrical fans, do-it-yourself clocks powered by liquid, do-it-yourself electrical alarms, do-it-yourself electrical cranes, sundials, air jet rockets, balloon blowing sets, water rejecting toys comprising pumps, spring nozzles, do-it-yourself robotic fish, do-it-yourself robotic birds, do-it-yourself robotic ball collectors, do-it-yourself robotic beepers, do-it-yourself robotic bubble blowers